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Unleashing the Potential of the Digital Product Passport in Engineering: A Structured Map for Sustainable Product Design. <i>Procedia CIRP</i>. 2026;142:1070-1075. doi:<a href=\"https://doi.org/10.1016/j.procir.2026.05.394\">10.1016/j.procir.2026.05.394</a>"},"publication":"Procedia CIRP","department":[{"_id":"563"}],"type":"journal_article","date_created":"2026-06-12T11:11:31Z"},{"volume":140,"user_id":"15782","doi":"10.1016/j.procir.2026.05.145","_id":"65837","language":[{"iso":"eng"}],"publisher":"Elsevier BV","page":"863-868","intvolume":"       140","publication_status":"published","date_updated":"2026-06-12T10:00:23Z","publication_identifier":{"issn":["2212-8271"]},"author":[{"id":"84394","first_name":"Julia Marie","last_name":"Vehmeyer","full_name":"Vehmeyer, Julia Marie"},{"id":"63192","full_name":"Petzke, Lisa Irene","last_name":"Petzke","first_name":"Lisa Irene"},{"last_name":"Koldewey","first_name":"Christian","orcid":"https://orcid.org/0000-0001-7992-6399","full_name":"Koldewey, Christian","id":"43136"},{"full_name":"Dumitrescu, Roman","first_name":"Roman","last_name":"Dumitrescu","id":"16190"}],"status":"public","year":"2026","title":"The fellowship of the circle: Barriers to establishing partnerships for circular value creation","department":[{"_id":"563"}],"type":"journal_article","date_created":"2026-06-11T11:29:25Z","citation":{"mla":"Vehmeyer, Julia Marie, et al. “The Fellowship of the Circle: Barriers to Establishing Partnerships for Circular Value Creation.” <i>Procedia CIRP</i>, vol. 140, Elsevier BV, 2026, pp. 863–68, doi:<a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">10.1016/j.procir.2026.05.145</a>.","bibtex":"@article{Vehmeyer_Petzke_Koldewey_Dumitrescu_2026, title={The fellowship of the circle: Barriers to establishing partnerships for circular value creation}, volume={140}, DOI={<a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">10.1016/j.procir.2026.05.145</a>}, journal={Procedia CIRP}, publisher={Elsevier BV}, author={Vehmeyer, Julia Marie and Petzke, Lisa Irene and Koldewey, Christian and Dumitrescu, Roman}, year={2026}, pages={863–868} }","ama":"Vehmeyer JM, Petzke LI, Koldewey C, Dumitrescu R. The fellowship of the circle: Barriers to establishing partnerships for circular value creation. <i>Procedia CIRP</i>. 2026;140:863-868. doi:<a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">10.1016/j.procir.2026.05.145</a>","ieee":"J. M. Vehmeyer, L. I. Petzke, C. Koldewey, and R. Dumitrescu, “The fellowship of the circle: Barriers to establishing partnerships for circular value creation,” <i>Procedia CIRP</i>, vol. 140, pp. 863–868, 2026, doi: <a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">10.1016/j.procir.2026.05.145</a>.","apa":"Vehmeyer, J. M., Petzke, L. I., Koldewey, C., &#38; Dumitrescu, R. (2026). The fellowship of the circle: Barriers to establishing partnerships for circular value creation. <i>Procedia CIRP</i>, <i>140</i>, 863–868. <a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">https://doi.org/10.1016/j.procir.2026.05.145</a>","short":"J.M. Vehmeyer, L.I. Petzke, C. Koldewey, R. Dumitrescu, Procedia CIRP 140 (2026) 863–868.","chicago":"Vehmeyer, Julia Marie, Lisa Irene Petzke, Christian Koldewey, and Roman Dumitrescu. “The Fellowship of the Circle: Barriers to Establishing Partnerships for Circular Value Creation.” <i>Procedia CIRP</i> 140 (2026): 863–68. <a href=\"https://doi.org/10.1016/j.procir.2026.05.145\">https://doi.org/10.1016/j.procir.2026.05.145</a>."},"publication":"Procedia CIRP"},{"doi":"10.1109/ictmod66732.2025.11371934","user_id":"15782","publisher":"IEEE","_id":"65854","language":[{"iso":"eng"}],"date_updated":"2026-06-12T11:03:26Z","publication_status":"published","author":[{"last_name":"Wyrwich","first_name":"Fabian","full_name":"Wyrwich, Fabian"},{"last_name":"Trienens","first_name":"Malte","full_name":"Trienens, Malte"},{"full_name":"Hovemann, Aschot","last_name":"Hovemann","first_name":"Aschot"},{"id":"16190","last_name":"Dumitrescu","first_name":"Roman","full_name":"Dumitrescu, Roman"}],"title":"Fields of Action of a Digital Engineering Transformation Framework","year":"2026","status":"public","department":[{"_id":"563"}],"type":"conference","date_created":"2026-06-12T11:00:41Z","citation":{"mla":"Wyrwich, Fabian, et al. “Fields of Action of a Digital Engineering Transformation Framework.” <i>2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)</i>, IEEE, 2026, doi:<a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">10.1109/ictmod66732.2025.11371934</a>.","ama":"Wyrwich F, Trienens M, Hovemann A, Dumitrescu R. Fields of Action of a Digital Engineering Transformation Framework. In: <i>2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)</i>. IEEE; 2026. doi:<a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">10.1109/ictmod66732.2025.11371934</a>","bibtex":"@inproceedings{Wyrwich_Trienens_Hovemann_Dumitrescu_2026, title={Fields of Action of a Digital Engineering Transformation Framework}, DOI={<a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">10.1109/ictmod66732.2025.11371934</a>}, booktitle={2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)}, publisher={IEEE}, author={Wyrwich, Fabian and Trienens, Malte and Hovemann, Aschot and Dumitrescu, Roman}, year={2026} }","apa":"Wyrwich, F., Trienens, M., Hovemann, A., &#38; Dumitrescu, R. (2026). Fields of Action of a Digital Engineering Transformation Framework. <i>2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)</i>. <a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">https://doi.org/10.1109/ictmod66732.2025.11371934</a>","ieee":"F. Wyrwich, M. Trienens, A. Hovemann, and R. Dumitrescu, “Fields of Action of a Digital Engineering Transformation Framework,” 2026, doi: <a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">10.1109/ictmod66732.2025.11371934</a>.","chicago":"Wyrwich, Fabian, Malte Trienens, Aschot Hovemann, and Roman Dumitrescu. “Fields of Action of a Digital Engineering Transformation Framework.” In <i>2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)</i>. IEEE, 2026. <a href=\"https://doi.org/10.1109/ictmod66732.2025.11371934\">https://doi.org/10.1109/ictmod66732.2025.11371934</a>.","short":"F. Wyrwich, M. Trienens, A. Hovemann, R. Dumitrescu, in: 2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD), IEEE, 2026."},"publication":"2025 IEEE International Conference on Technology Management, Operations and Decisions (ICTMOD)"},{"ddc":["510"],"user_id":"126182","volume":47,"_id":"65865","has_accepted_license":"1","status":"public","oa":"1","quality_controlled":"1","file_date_updated":"2026-06-15T10:03:48Z","citation":{"ieee":"R. Herold-Blasius, H. Kleinschmidt, and C. Ziller, “Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students,” <i>Journal für Mathematik-Didaktik</i>, vol. 47, no. 6, 2026, doi: <a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>.","apa":"Herold-Blasius, R., Kleinschmidt, H., &#38; Ziller, C. (2026). Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students. <i>Journal Für Mathematik-Didaktik</i>, <i>47</i>(6). <a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>","chicago":"Herold-Blasius, Raja, Hannah Kleinschmidt, and Conrad Ziller. “Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students.” <i>Journal Für Mathematik-Didaktik</i> 47, no. 6 (2026). <a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>.","short":"R. Herold-Blasius, H. Kleinschmidt, C. Ziller, Journal Für Mathematik-Didaktik 47 (2026).","mla":"Herold-Blasius, Raja, et al. “Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students.” <i>Journal Für Mathematik-Didaktik</i>, vol. 47, no. 6, 2026, doi:<a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>.","bibtex":"@article{Herold-Blasius_Kleinschmidt_Ziller_2026, title={Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students}, volume={47}, DOI={<a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>}, number={6}, journal={Journal für Mathematik-Didaktik}, author={Herold-Blasius, Raja and Kleinschmidt, Hannah and Ziller, Conrad}, year={2026} }","ama":"Herold-Blasius R, Kleinschmidt H, Ziller C. Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students. <i>Journal für Mathematik-Didaktik</i>. 2026;47(6). doi:<a href=\"https://doi.org/10.1007/s13138-026-00270-6\">https://doi.org/10.1007/s13138-026-00270-6</a>"},"doi":"https://doi.org/10.1007/s13138-026-00270-6","main_file_link":[{"url":"https://doi.org/10.1007/s13138-026-00270-6","open_access":"1"}],"language":[{"iso":"eng"}],"date_updated":"2026-06-15T10:13:14Z","intvolume":"        47","article_type":"original","title":"Dimensions of Heuristic Use in Mathematical Problem Solving: Evidence from Early Secondary School Students","year":"2026","author":[{"last_name":"Herold-Blasius","first_name":"Raja","full_name":"Herold-Blasius, Raja","id":"126182"},{"last_name":"Kleinschmidt","first_name":"Hannah","full_name":"Kleinschmidt, Hannah"},{"last_name":"Ziller","first_name":"Conrad","full_name":"Ziller, Conrad"}],"type":"journal_article","department":[{"_id":"97"}],"file":[{"date_created":"2026-06-15T10:03:48Z","creator":"rheroldb","file_id":"65866","content_type":"application/pdf","success":1,"file_name":"2026_JMD_Herold-Blasius et al_Dimensions of heuristic use.pdf","access_level":"closed","file_size":1766182,"relation":"main_file","date_updated":"2026-06-15T10:03:48Z"}],"date_created":"2026-06-15T10:08:04Z","abstract":[{"lang":"eng","text":"Mathematical problem solving is a highly complex competence that needs\r\nto be supported throughout the learning process. This study examines the role of\r\nproblem-solving heuristics among 73 sixth-grade students in a German secondary\r\nschool (Gesamtschule). Specifically, we focus on the empirical relationship between\r\nthe occurrence of heuristics, their suitability, and application, as well as their contribution\r\nto problem-solving success. To this end, we developed a heuristic training that\r\nintroduced strategy keys (heuristic aid cards) accompanied by explanatory videos. By\r\nleveraging variations in the successful application of the heuristics between students\r\nand across multiple sessions (73 students in 4 training situations and 3 problems\r\nin a final test), we discover from regression models with student and task-fixed effects\r\nthat a successful use of heuristics (i.e., an heuristic occurred, that heuristic had\r\na high suitability regarding the problem, and it was applied correctly) leads to more\r\nsuccessful mathematical problem solving. Regarding the underlying mechanism, we\r\nfind that all dimensions of heuristic use (occurrence, suitability, and application\r\nof heuristics) are positively related to problem-solving success. When comparing\r\nthe predictive capacity of all three aspects, we identified the correct application of\r\nheuristics as particularly conducive for better problem-solving success. In comparing\r\nthe group of students with high to those with low initial math competence, we find no significant differences in the relationship between heuristic use and problemsolving\r\nsuccess across achievement groups. Our results emphasize the crucial role\r\nof heuristic application in mathematical problem solving, which generally benefits\r\nstudents regardless of their overall math competence."}],"publication":"Journal für Mathematik-Didaktik","issue":"6"},{"citation":{"apa":"Steffens, H., Yigitbas, E., &#38; Sauer, S. (2026). Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking. <i>Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)</i>.","ieee":"H. Steffens, E. Yigitbas, and S. Sauer, “Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking,” 2026.","short":"H. Steffens, E. Yigitbas, S. Sauer, in: Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026), Springer, 2026.","chicago":"Steffens, Hanna, Enes Yigitbas, and Stefan Sauer. “Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking.” In <i>Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)</i>. Springer, 2026.","mla":"Steffens, Hanna, et al. “Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking.” <i>Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)</i>, Springer, 2026.","ama":"Steffens H, Yigitbas E, Sauer S. Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking. In: <i>Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)</i>. Springer; 2026.","bibtex":"@inproceedings{Steffens_Yigitbas_Sauer_2026, title={Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking}, booktitle={Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)}, publisher={Springer}, author={Steffens, Hanna and Yigitbas, Enes and Sauer, Stefan}, year={2026} }"},"publication":"Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)","department":[{"_id":"66"},{"_id":"534"}],"type":"conference","date_created":"2026-06-16T07:07:27Z","date_updated":"2026-06-16T07:07:38Z","author":[{"full_name":"Steffens, Hanna","last_name":"Steffens","first_name":"Hanna"},{"id":"8447","full_name":"Yigitbas, Enes","first_name":"Enes","orcid":"0000-0002-5967-833X","last_name":"Yigitbas"},{"last_name":"Sauer","orcid":"0000-0003-3084-0409","first_name":"Stefan","full_name":"Sauer, Stefan","id":"447"}],"status":"public","title":"Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking","year":"2026","user_id":"8447","publisher":"Springer","_id":"65901","language":[{"iso":"eng"}]},{"status":"public","title":"Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives","year":"2026","publication_identifier":{"issn":["2169-3536"]},"author":[{"full_name":"Schenke, Maximilian","orcid":"0000-0001-5427-9527","last_name":"Schenke","first_name":"Maximilian","id":"52638"},{"orcid":"0000-0003-0862-2069","last_name":"Haucke-Korber","first_name":"Barnabas","full_name":"Haucke-Korber, Barnabas","id":"93461"},{"id":"11291","full_name":"Wallscheid, Oliver","last_name":"Wallscheid","orcid":"https://orcid.org/0000-0001-9362-8777","first_name":"Oliver"}],"date_updated":"2026-06-16T09:37:03Z","publication_status":"published","page":"1-1","_id":"65753","language":[{"iso":"eng"}],"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","doi":"10.1109/access.2026.3696042","user_id":"93461","publication":"IEEE Access","citation":{"mla":"Schenke, Maximilian, et al. “Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives.” <i>IEEE Access</i>, Institute of Electrical and Electronics Engineers (IEEE), 2026, pp. 1–1, doi:<a href=\"https://doi.org/10.1109/access.2026.3696042\">10.1109/access.2026.3696042</a>.","ama":"Schenke M, Haucke-Korber B, Wallscheid O. Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives. <i>IEEE Access</i>. Published online 2026:1-1. doi:<a href=\"https://doi.org/10.1109/access.2026.3696042\">10.1109/access.2026.3696042</a>","bibtex":"@article{Schenke_Haucke-Korber_Wallscheid_2026, title={Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives}, DOI={<a href=\"https://doi.org/10.1109/access.2026.3696042\">10.1109/access.2026.3696042</a>}, journal={IEEE Access}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Schenke, Maximilian and Haucke-Korber, Barnabas and Wallscheid, Oliver}, year={2026}, pages={1–1} }","apa":"Schenke, M., Haucke-Korber, B., &#38; Wallscheid, O. (2026). Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives. <i>IEEE Access</i>, 1–1. <a href=\"https://doi.org/10.1109/access.2026.3696042\">https://doi.org/10.1109/access.2026.3696042</a>","ieee":"M. Schenke, B. Haucke-Korber, and O. Wallscheid, “Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives,” <i>IEEE Access</i>, pp. 1–1, 2026, doi: <a href=\"https://doi.org/10.1109/access.2026.3696042\">10.1109/access.2026.3696042</a>.","short":"M. Schenke, B. Haucke-Korber, O. Wallscheid, IEEE Access (2026) 1–1.","chicago":"Schenke, Maximilian, Barnabas Haucke-Korber, and Oliver Wallscheid. “Safe Reinforcement Learning Direct Torque Control for Continuous Control Set Permanent Magnet Synchronous Motor Drives.” <i>IEEE Access</i>, 2026, 1–1. <a href=\"https://doi.org/10.1109/access.2026.3696042\">https://doi.org/10.1109/access.2026.3696042</a>."},"date_created":"2026-06-02T07:29:20Z","type":"journal_article","department":[{"_id":"52"}]},{"date_updated":"2026-06-16T07:13:44Z","title":"Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic","status":"public","year":"2026","author":[{"first_name":"Salah","last_name":"Seidan","full_name":"Seidan, Salah"},{"id":"8447","full_name":"Yigitbas, Enes","last_name":"Yigitbas","first_name":"Enes","orcid":"0000-0002-5967-833X"},{"full_name":"Leichtweiß, Justus","last_name":"Leichtweiß","first_name":"Justus"}],"user_id":"8447","_id":"65903","publisher":"IEEE","language":[{"iso":"eng"}],"publication":"Proceedings of the 10th International Conference on Intelligent Computing and Virtual & Augmented Reality Simulations (ICVARS 2026)","citation":{"short":"S. Seidan, E. Yigitbas, J. Leichtweiß, in: Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026), IEEE, 2026.","chicago":"Seidan, Salah, Enes Yigitbas, and Justus Leichtweiß. “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic.” In <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>. IEEE, 2026.","ieee":"S. Seidan, E. Yigitbas, and J. Leichtweiß, “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic,” 2026.","apa":"Seidan, S., Yigitbas, E., &#38; Leichtweiß, J. (2026). Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic. <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>.","bibtex":"@inproceedings{Seidan_Yigitbas_Leichtweiß_2026, title={Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic}, booktitle={Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)}, publisher={IEEE}, author={Seidan, Salah and Yigitbas, Enes and Leichtweiß, Justus}, year={2026} }","ama":"Seidan S, Yigitbas E, Leichtweiß J. Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic. In: <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>. IEEE; 2026.","mla":"Seidan, Salah, et al. “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic.” <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>, IEEE, 2026."},"type":"conference","department":[{"_id":"66"},{"_id":"534"}],"date_created":"2026-06-16T07:13:08Z"},{"date_created":"2026-06-16T07:16:12Z","type":"conference","department":[{"_id":"66"},{"_id":"534"}],"publication":"Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)","citation":{"mla":"Krings, Sarah Claudia, et al. “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications.” <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>, ACM, 2026.","ama":"Krings SC, Yigitbas E, Sauer S. A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications. In: <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>. ACM; 2026.","bibtex":"@inproceedings{Krings_Yigitbas_Sauer_2026, title={A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications}, booktitle={Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)}, publisher={ACM}, author={Krings, Sarah Claudia and Yigitbas, Enes and Sauer, Stefan}, year={2026} }","apa":"Krings, S. C., Yigitbas, E., &#38; Sauer, S. (2026). A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications. <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>.","ieee":"S. C. Krings, E. Yigitbas, and S. Sauer, “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications,” 2026.","short":"S.C. Krings, E. Yigitbas, S. Sauer, in: Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026), ACM, 2026.","chicago":"Krings, Sarah Claudia, Enes Yigitbas, and Stefan Sauer. “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications.” In <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>. ACM, 2026."},"publisher":"ACM","_id":"65904","language":[{"iso":"eng"}],"user_id":"8447","year":"2026","status":"public","title":"A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications","author":[{"full_name":"Krings, Sarah Claudia","first_name":"Sarah Claudia","orcid":"0000-0001-8040-7553","last_name":"Krings","id":"64063"},{"id":"8447","full_name":"Yigitbas, Enes","first_name":"Enes","orcid":"0000-0002-5967-833X","last_name":"Yigitbas"},{"full_name":"Sauer, Stefan","last_name":"Sauer","first_name":"Stefan"}],"date_updated":"2026-06-16T07:16:46Z"},{"date_created":"2026-06-16T07:19:59Z","type":"journal_article","department":[{"_id":"66"},{"_id":"534"}],"publication":"Proceedings of the ACM on Human-Computer Interaction - EICS ","citation":{"bibtex":"@article{Yigitbas_Dell’Aquila_2026, title={Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance}, journal={Proceedings of the ACM on Human-Computer Interaction - EICS }, publisher={ACM}, author={Yigitbas, Enes and Dell’Aquila, Alessio}, year={2026} }","ama":"Yigitbas E, Dell’Aquila A. Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance. <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>. Published online 2026.","mla":"Yigitbas, Enes, and Alessio Dell’Aquila. “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance.” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, ACM, 2026.","short":"E. Yigitbas, A. Dell’Aquila, Proceedings of the ACM on Human-Computer Interaction - EICS  (2026).","chicago":"Yigitbas, Enes, and Alessio Dell’Aquila. “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance.” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, 2026.","ieee":"E. Yigitbas and A. Dell’Aquila, “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance,” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, 2026.","apa":"Yigitbas, E., &#38; Dell’Aquila, A. (2026). Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance. <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>."},"_id":"65905","language":[{"iso":"eng"}],"publisher":"ACM","user_id":"8447","title":"Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance","status":"public","year":"2026","author":[{"id":"8447","full_name":"Yigitbas, Enes","first_name":"Enes","orcid":"0000-0002-5967-833X","last_name":"Yigitbas"},{"last_name":"Dell'Aquila","first_name":"Alessio","full_name":"Dell'Aquila, Alessio"}],"date_updated":"2026-06-16T07:20:03Z"},{"language":[{"iso":"eng"}],"_id":"65916","user_id":"178","author":[{"first_name":"Johanna","last_name":"Jakob","full_name":"Jakob, Johanna"}],"title":"Diffeomorphism groups of compact locally polyhedral manifolds","status":"public","year":"2026","date_updated":"2026-06-17T06:13:14Z","date_created":"2026-06-17T06:11:59Z","external_id":{"arxiv":["arXiv:2606.14423"]},"department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"type":"preprint","citation":{"apa":"Jakob, J. (2026). <i>Diffeomorphism groups of compact locally polyhedral manifolds</i>.","ieee":"J. Jakob, “Diffeomorphism groups of compact locally polyhedral manifolds.” 2026.","short":"J. Jakob, (2026).","chicago":"Jakob, Johanna. “Diffeomorphism Groups of Compact Locally Polyhedral Manifolds,” 2026.","mla":"Jakob, Johanna. <i>Diffeomorphism Groups of Compact Locally Polyhedral Manifolds</i>. 2026.","ama":"Jakob J. Diffeomorphism groups of compact locally polyhedral manifolds. Published online 2026.","bibtex":"@article{Jakob_2026, title={Diffeomorphism groups of compact locally polyhedral manifolds}, author={Jakob, Johanna}, year={2026} }"}},{"external_id":{"arxiv":["2411.04874"]},"date_created":"2024-11-08T07:58:24Z","type":"conference","department":[{"_id":"7"},{"_id":"623"}],"publication":"51st International Symposium on Mathematical Foundations of Computer Science (MFCS)","citation":{"mla":"Gharibian, Sevag, and Carsten Hecht. “Hardness of Approximation for Ground State Problems.” <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","ama":"Gharibian S, Hecht C. Hardness of approximation for ground state problems. In: <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","bibtex":"@inproceedings{Gharibian_Hecht, title={Hardness of approximation for ground state problems}, booktitle={51st International Symposium on Mathematical Foundations of Computer Science (MFCS)}, author={Gharibian, Sevag and Hecht, Carsten} }","apa":"Gharibian, S., &#38; Hecht, C. (n.d.). Hardness of approximation for ground state problems. <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","ieee":"S. Gharibian and C. Hecht, “Hardness of approximation for ground state problems.”","short":"S. Gharibian, C. Hecht, in: 51st International Symposium on Mathematical Foundations of Computer Science (MFCS), n.d.","chicago":"Gharibian, Sevag, and Carsten Hecht. “Hardness of Approximation for Ground State Problems.” In <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>, n.d."},"abstract":[{"text":"After nearly two decades of research, the question of a quantum PCP theorem\r\nfor quantum Constraint Satisfaction Problems (CSPs) remains wide open. As a\r\nresult, proving QMA-hardness of approximation for ground state energy\r\nestimation has remained elusive. Recently, it was shown [Bittel, Gharibian,\r\nKliesch, CCC 2023] that a natural problem involving variational quantum\r\ncircuits is QCMA-hard to approximate within ratio N^(1-eps) for any eps > 0 and\r\nN the input size. Unfortunately, this problem was not related to quantum CSPs,\r\nleaving the question of hardness of approximation for quantum CSPs open. In\r\nthis work, we show that if instead of focusing on ground state energies, one\r\nconsiders computing properties of the ground space, QCMA-hardness of computing\r\nground space properties can be shown. In particular, we show that it is (1)\r\nQCMA-complete within ratio N^(1-eps) to approximate the Ground State\r\nConnectivity problem (GSCON), and (2) QCMA-hard within the same ratio to\r\nestimate the amount of entanglement of a local Hamiltonian's ground state,\r\ndenoted Ground State Entanglement (GSE). As a bonus, a simplification of our\r\nconstruction yields NP-completeness of approximation for a natural k-SAT\r\nreconfiguration problem, to be contrasted with the recent PCP-based PSPACE\r\nhardness of approximation results for a different definition of k-SAT\r\nreconfiguration [Karthik C.S. and Manurangsi, 2023, and Hirahara, Ohsaka, STOC\r\n2024].","lang":"eng"}],"language":[{"iso":"eng"}],"_id":"56950","user_id":"71541","title":"Hardness of approximation for ground state problems","year":"2026","status":"public","author":[{"full_name":"Gharibian, Sevag","first_name":"Sevag","orcid":"0000-0002-9992-3379","last_name":"Gharibian","id":"71541"},{"full_name":"Hecht, Carsten","last_name":"Hecht","first_name":"Carsten"}],"date_updated":"2026-06-19T08:01:13Z","publication_status":"accepted"},{"language":[{"iso":"eng"}],"doi":"https://doi.org/10.1016/j.ecmx.2026.102030","author":[{"id":"56918","full_name":"Henne, Kevin","last_name":"Henne","first_name":"Kevin"},{"id":"56955","full_name":"Rahlf, Henning Christoph","last_name":"Rahlf","orcid":"0009-0006-8106-2132","first_name":"Henning Christoph"},{"first_name":"Marius","last_name":"Naumann","full_name":"Naumann, Marius","id":"94950"},{"id":"86954","full_name":"Meschede, Henning","orcid":"0000-0002-1538-089X","last_name":"Meschede","first_name":"Henning"}],"publication_identifier":{"issn":["2590-1745"]},"year":"2026","title":"Towards Stakeholder-Aware Demand-Side management assessment in heterogeneous residential Microgrids: A Multi-Agent approach","intvolume":"        31","publication_status":"published","date_updated":"2026-06-19T12:41:33Z","date_created":"2026-06-19T12:27:48Z","department":[{"_id":"644"}],"keyword":["Microgrid","Decentralised Energy Systems","Multi-Agent System","Residential Demand-Side Management","Optimisation"],"type":"journal_article","publication":"Energy Conversion and Management: X","abstract":[{"text":"Expanding renewable energy sources is essential for a sustainable energy supply but challenges grid stability, as the volatility of solar and wind causes periods of over- and undersupply. Private households are central to this transition, combining dynamic consumption with decentralised generation. This paper presents a multi-agent microgrid simulation built on the Mesa framework, focusing on the heterogeneous objectives and technological capabilities of residential participants. Households are modelled as autonomous agents with individual strategies, while a dedicated “grid agent” represents the distribution system operator and regulates the microgrid in a grid-supportive manner. The emission factor serves as the key indicator for grid-friendly behaviour. Results show that in summer, unmanaged PV feed-in from heterogeneous households causes substantial grid stress and balancing effort for the distribution system operator. Dynamic electricity prices can incentivise grid-friendly dispatch, but their effectiveness depends on the correlation between price signals and renewable availability and cannot guarantee grid-supportive behaviour alone. The grid agent reliably improves the grid-supportive coefficient, yet its operating strategy, for instance additional peak-reduction objectives, can interfere with price-based incentives. Effective demand-side management therefore requires careful analysis of stakeholder interactions. Building on this insight, thepaper provides a basic framework for the design, implementation, and assessment of both integrated and individual energy management strategies within a microgrid environment. By simulating the dynamic interactions among system participants and strategies, it enables comprehensive evaluation of their collective impact on the grid, supporting the development of robust solutions for future electricity networks.","lang":"eng"}],"publisher":"Elsevier","_id":"66001","page":"102030","volume":31,"user_id":"56918","conference":{"name":"20th SDEWES conference","start_date":"2025-10-05","location":"Dubrovnik","end_date":"2025-10-10"},"status":"public","has_accepted_license":"1","citation":{"mla":"Henne, Kevin, et al. “Towards Stakeholder-Aware Demand-Side Management Assessment in Heterogeneous Residential Microgrids: A Multi-Agent Approach.” <i>Energy Conversion and Management: X</i>, vol. 31, Elsevier, 2026, p. 102030, doi:<a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>.","bibtex":"@article{Henne_Rahlf_Naumann_Meschede_2026, title={Towards Stakeholder-Aware Demand-Side management assessment in heterogeneous residential Microgrids: A Multi-Agent approach}, volume={31}, DOI={<a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>}, journal={Energy Conversion and Management: X}, publisher={Elsevier}, author={Henne, Kevin and Rahlf, Henning Christoph and Naumann, Marius and Meschede, Henning}, year={2026}, pages={102030} }","ama":"Henne K, Rahlf HC, Naumann M, Meschede H. Towards Stakeholder-Aware Demand-Side management assessment in heterogeneous residential Microgrids: A Multi-Agent approach. <i>Energy Conversion and Management: X</i>. 2026;31:102030. doi:<a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>","ieee":"K. Henne, H. C. Rahlf, M. Naumann, and H. Meschede, “Towards Stakeholder-Aware Demand-Side management assessment in heterogeneous residential Microgrids: A Multi-Agent approach,” <i>Energy Conversion and Management: X</i>, vol. 31, p. 102030, 2026, doi: <a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>.","apa":"Henne, K., Rahlf, H. C., Naumann, M., &#38; Meschede, H. (2026). Towards Stakeholder-Aware Demand-Side management assessment in heterogeneous residential Microgrids: A Multi-Agent approach. <i>Energy Conversion and Management: X</i>, <i>31</i>, 102030. <a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>","chicago":"Henne, Kevin, Henning Christoph Rahlf, Marius Naumann, and Henning Meschede. “Towards Stakeholder-Aware Demand-Side Management Assessment in Heterogeneous Residential Microgrids: A Multi-Agent Approach.” <i>Energy Conversion and Management: X</i> 31 (2026): 102030. <a href=\"https://doi.org/10.1016/j.ecmx.2026.102030\">https://doi.org/10.1016/j.ecmx.2026.102030</a>.","short":"K. Henne, H.C. Rahlf, M. Naumann, H. Meschede, Energy Conversion and Management: X 31 (2026) 102030."}},{"_id":"66060","publisher":"Springer Science and Business Media LLC","user_id":"11829","volume":33,"status":"public","citation":{"ama":"Claes L, Winkler M. Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid. <i>Nonlinear Differential Equations and Applications NoDEA</i>. 2026;33(4). doi:<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>","bibtex":"@article{Claes_Winkler_2026, title={Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid}, volume={33}, DOI={<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>}, number={4}, journal={Nonlinear Differential Equations and Applications NoDEA}, publisher={Springer Science and Business Media LLC}, author={Claes, Leander and Winkler, Michael}, year={2026} }","mla":"Claes, Leander, and Michael Winkler. “Local Strong Solutions in a Quasilinear Moore-Gibson-Thompson Type Model for Thermoviscoelastic Evolution in a Standard Linear Solid.” <i>Nonlinear Differential Equations and Applications NoDEA</i>, vol. 33, no. 4, Springer Science and Business Media LLC, 2026, doi:<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>.","chicago":"Claes, Leander, and Michael Winkler. “Local Strong Solutions in a Quasilinear Moore-Gibson-Thompson Type Model for Thermoviscoelastic Evolution in a Standard Linear Solid.” <i>Nonlinear Differential Equations and Applications NoDEA</i> 33, no. 4 (2026). <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">https://doi.org/10.1007/s00030-026-01239-7</a>.","short":"L. Claes, M. Winkler, Nonlinear Differential Equations and Applications NoDEA 33 (2026).","apa":"Claes, L., &#38; Winkler, M. (2026). Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid. <i>Nonlinear Differential Equations and Applications NoDEA</i>, <i>33</i>(4). <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">https://doi.org/10.1007/s00030-026-01239-7</a>","ieee":"L. Claes and M. Winkler, “Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid,” <i>Nonlinear Differential Equations and Applications NoDEA</i>, vol. 33, no. 4, 2026, doi: <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>."},"project":[{"name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)","_id":"245"}],"language":[{"iso":"eng"}],"doi":"10.1007/s00030-026-01239-7","title":"Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid","year":"2026","publication_identifier":{"issn":["1420-9004"]},"author":[{"first_name":"Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","full_name":"Claes, Leander","id":"11829"},{"id":"31496","full_name":"Winkler, Michael","last_name":"Winkler","first_name":"Michael"}],"publication_status":"published","date_updated":"2026-06-26T09:23:14Z","intvolume":"        33","date_created":"2026-06-26T09:21:21Z","type":"journal_article","department":[{"_id":"49"},{"_id":"90"}],"issue":"4","publication":"Nonlinear Differential Equations and Applications NoDEA"},{"date_updated":"2026-06-26T06:09:29Z","status":"public","year":"2026","title":"Error estimates for $A$-stable backward difference full discretizations of Willmore flow of closed surfaces","author":[{"id":"103797","full_name":"Bullerjahn, Nils","first_name":"Nils","last_name":"Bullerjahn","orcid":"https://orcid.org/0009-0003-8460-1574"},{"last_name":"Kovács","orcid":"0000-0001-9872-3474","first_name":"Balázs","full_name":"Kovács, Balázs","id":"100441"}],"user_id":"103797","doi":"10.48550/arXiv.2606.25934","language":[{"iso":"eng"}],"_id":"66057","publication":"ArXiv","citation":{"ama":"Bullerjahn N, Kovács B. Error estimates for $A$-stable backward difference full discretizations of Willmore flow of closed surfaces. <i>ArXiv</i>. Published online 2026. doi:<a href=\"https://doi.org/10.48550/arXiv.2606.25934\">10.48550/arXiv.2606.25934</a>","bibtex":"@article{Bullerjahn_Kovács_2026, title={Error estimates for $A$-stable backward difference full discretizations of Willmore flow of closed surfaces}, DOI={<a href=\"https://doi.org/10.48550/arXiv.2606.25934\">10.48550/arXiv.2606.25934</a>}, journal={ArXiv}, author={Bullerjahn, Nils and Kovács, Balázs}, year={2026} }","mla":"Bullerjahn, Nils, and Balázs Kovács. “Error Estimates for $A$-Stable Backward Difference Full Discretizations of Willmore Flow of Closed Surfaces.” <i>ArXiv</i>, 2026, doi:<a href=\"https://doi.org/10.48550/arXiv.2606.25934\">10.48550/arXiv.2606.25934</a>.","short":"N. Bullerjahn, B. Kovács, ArXiv (2026).","chicago":"Bullerjahn, Nils, and Balázs Kovács. “Error Estimates for $A$-Stable Backward Difference Full Discretizations of Willmore Flow of Closed Surfaces.” <i>ArXiv</i>, 2026. <a href=\"https://doi.org/10.48550/arXiv.2606.25934\">https://doi.org/10.48550/arXiv.2606.25934</a>.","apa":"Bullerjahn, N., &#38; Kovács, B. (2026). Error estimates for $A$-stable backward difference full discretizations of Willmore flow of closed surfaces. <i>ArXiv</i>. <a href=\"https://doi.org/10.48550/arXiv.2606.25934\">https://doi.org/10.48550/arXiv.2606.25934</a>","ieee":"N. Bullerjahn and B. Kovács, “Error estimates for $A$-stable backward difference full discretizations of Willmore flow of closed surfaces,” <i>ArXiv</i>, 2026, doi: <a href=\"https://doi.org/10.48550/arXiv.2606.25934\">10.48550/arXiv.2606.25934</a>."},"type":"journal_article","department":[{"_id":"841"}],"date_created":"2026-06-26T06:03:08Z"}]