@inproceedings{65577, abstract = {{In-situ computed tomography (CT) experiments on materials with time-dependent mechanical behaviour are affected by relaxationinduced motion, which can lead to image blur and motion-related artefacts if scans are initiated before relaxation-induced motion has subsided. Scan start times are therefore commonly defined based on force relaxation or force-gradient criteria, although these signals do not directly quantify image-relevant specimen motion. In this work, a radiography-based approach is presented to estimate relaxation-induced motion via pixel shifts from projection images acquired prior to CT scans. These projection-based pixel shift estimates of relaxation-induced motion are related to scan-specific image blur observed in the reconstructed volumes. Thereby, a direct link between specimen motion during the scan and CT image quality is established. The method is demonstrated for thermo-mechanically loaded specimens with pronounced temperature-dependent material behaviour, where relaxation-induced motion persists over extended time scales. The results show that projection-based pixel shift estimation provides a physically meaningful and experimentally accessible basis for defining scan start criteria. CT acquisition can be initiated based on an allowable level of relaxation-induced motion, rather than waiting for mechanical equilibrium to be reached. The proposed approach therefore offers a direct, image-related framework for scan timing in in-situ CT experiments on time-dependent materials.}}, author = {{Dargel, Alrik and Troschitz, Juliane and Gude, Maik and Kupfer, Robert}}, booktitle = {{e-Journal of Nondestructive Testing}}, issn = {{1435-4934}}, number = {{3}}, publisher = {{NDT.net GmbH & Co. KG}}, title = {{{In-situ CT of Viscoelastic Plastic Materials: A Radiography-Based Lead Time Determination for Composite–Metal Joints at Elevated Temperature}}}, doi = {{10.58286/32601}}, volume = {{31}}, year = {{2026}}, } @inbook{64146, author = {{Spener, Anna Maria}}, booktitle = {{ WasserWesenWandel: Fluidität in (mehr-als-)literarischen Medien. Sammelband zur fünften studentischen Tagung des Fachbereichs Komparatistik an der Universität Paderborn}}, editor = {{Spener, Anna Maria}}, pages = {{6--19}}, publisher = {{Universitätsbibliothek Paderborn}}, title = {{{Einleitung: Alles fließt}}}, doi = {{http://dx.doi.org/10.17619/UNIPB/1-2560}}, year = {{2026}}, } @inbook{59700, author = {{Spener, Anna Maria}}, booktitle = {{WasserWesenWandel: Fluidität in (mehr-als-)literarischen Medien}}, editor = {{Spener, Anna Maria}}, pages = {{121--146}}, publisher = {{Universitätsbibliothek Paderborn}}, title = {{{Nasses Land: Wetlands als relationale Räume gegenhegemonialer Wissensproduktion in der künstlerischen Forschung}}}, doi = {{http://dx.doi.org/10.17619/UNIPB/1-2560}}, year = {{2026}}, } @book{59701, editor = {{Spener, Anna Maria}}, pages = {{305}}, publisher = {{Universitätsbibliothek Paderborn}}, title = {{{WasserWesenWandel: Fluidität in (mehr-als-)literarischen Medien. Sammelband zur fünften studentischen Tagung des Fachbereichs Komparatistik an der Universität Paderborn}}}, doi = {{http://dx.doi.org/10.17619/UNIPB/1-2560}}, year = {{2026}}, } @article{65560, author = {{Bürgel, Christoph and Siepmann, Dirk}}, journal = {{Fremdsprachen Lehren und Lernen (FLuL), 33-48}}, title = {{{Die Grammatik des gesprochenen und geschriebenen Französisch als erste korpusbasierte Lexikogrammatik des Französischen: Grundlagen, Prinzipien, Umsetzung }}}, year = {{2026}}, } @article{65582, abstract = {{The mechanical joining of continuous fiber-reinforced thermoplastics (cFRTP) and metal sheets represents a promising approach for manufacturing hybrid lightweight structures. To reduce the time and cost associated with extensive experimental investigations, numerical modeling strategies are increasingly applied. In this numerical study, a further step in the modelling strategy for the direct pin-pressing (DPP) process of cFRTP and metal sheets is presented. The study focuses on modeling and simulating the occurring deformation mechanisms of decomposition, compaction, and separation of individual rovings on the mesoscale to analyze the resulting material structure. For this purpose, two simplified models were derived. The textile architecture is represented based on micrographs of cross-sections and discretized using the finite element method. The deformation of individual rovings during joining leads to a deformation of their initial elliptical cross section. To capture this level of resolution, both a cohesive zone and a pure contact approach are applied within the rovings. The highly viscous thermoplastic melt is modeled as a fluid employing the Arbitrary Lagrange–Eulerian (ALE) method. Matrix and roving meshes are coupled to account for fluid–structure interaction (FSI) during process. The study shows that coupling of matrix and rovings is necessary to obtain more accurate predictions of the deformation behaviour. Furthermore, the cohesive zone approach is better suited to simulate the emerging deformation mechanisms.}}, author = {{Gröger, Benjamin and Gerritzen, Johannes and Hornig, Andreas and Gude, Maik}}, issn = {{1662-9795}}, journal = {{Key Engineering Materials}}, pages = {{227--234}}, publisher = {{Trans Tech Publications, Ltd.}}, title = {{{Modelling Deformation Mechanisms Decomposition, Separation and Compaction in Mechanical Joining Processes of Fiber Reinforced Thermoplastics on Meso Scale}}}, doi = {{10.4028/p-e8wywr}}, volume = {{1050}}, year = {{2026}}, } @unpublished{64810, abstract = {{Grocery retailers frequently apply price discounts to stimulate demand for expiring perishables. However, integrating these discounted sales into future demand forecasts presents a significant challenge. This study investigates the effectiveness of incorporating a fixed share of these sales as \textit{regular} demand into the forecast, as commonly applied in practice. We employ a two-step regression approach on data from a major European grocery retailer, covering over 1,700 products across 676 stores. We reveal that forecasts underestimate actual demand for most SKUs when discounted sales occur. This residual uplift effect is significantly influenced by the number of sales at reduced prices. Our findings underscore the necessity for more precise approaches to integrate discounted sales into demand forecasts, thereby preventing excess inventory and the associated economic and environmental impacts of spoilage in the grocery sector.}}, author = {{Winkelmann, David and Elbracht, Theresa and Brenker, Jonas Maximilian and Gerzen, Arnold}}, booktitle = {{arXiv:2602.04464}}, publisher = {{arXiv}}, title = {{{Discounted Sales of Expiring Perishables: Challenges for Demand Forecasting in Grocery Retail Practice}}}, year = {{2026}}, } @inbook{44862, author = {{Peckhaus, Volker}}, booktitle = {{New Perspectives on Neo-Kantianism and the Sciences}}, editor = {{Pulte, Helmut and Baedke, Jan and Koenig, Daniel and Nickel, Gregor}}, pages = {{17--37}}, publisher = {{Routledge}}, title = {{{(Neo-)Kantian Foundation of Foundations: The Göttingen Case}}}, year = {{2025}}, } @book{55650, editor = {{Eke, Norbert Otto and Ludwig , Janine and Vaßen, Florian }}, pages = {{172}}, title = {{{1. Heiner-Müller-Jahrbuch 1: Heiner Müllers Natur.}}}, year = {{2025}}, } @article{32099, author = {{Weich, Tobias and Budde, Julia}}, journal = {{Journal of Functional Analysis}}, number = {{1}}, title = {{{Wave Front Sets of Nilpotent Lie Group Representations}}}, doi = {{ https://doi.org/10.1016/j.jfa.2024.110684}}, volume = {{288}}, year = {{2025}}, } @inbook{56638, author = {{Silvestri, Marco}}, booktitle = {{Art, Travel, and Exchange between Iberia and Global Geographies, c. 1400–1550}}, editor = {{Beltrami, Costanza and Alvares-Correa, Sylvia}}, pages = {{108--142}}, title = {{{Travelling Stonemasons and the Architectural Cultural Exchange between Spain, Mexico, and Peru in the 16th Century: Connections and Paths of the Toribio de Alcaraz Family}}}, doi = {{https://doi.org/10.1163/9789004707474}}, volume = {{24}}, year = {{2025}}, } @inbook{56854, author = {{Schuster, Britt-Marie and Bubenhofer, Noah}}, booktitle = {{Germanistische Linguistik. Genese, Zustand und Zukunft eines Faches im Spiegel der RGL}}, editor = {{Schuster, Britt-Marie and Bubenhofer, Noah and Habermann, Mechthild and Hausendorf, Heiko}}, pages = {{1--18}}, publisher = {{de Gruyter}}, title = {{{Facetten der Germanistischen Linguistik: Bestandsaufnahme und Perspektiven}}}, year = {{2025}}, } @book{56851, editor = {{Schuster, Britt-Marie and Bubenhofer, Noah and Habermann, Mechthild and Hausendorf, Heiko}}, title = {{{Germanistische Linguistik. Genese, Zustand und Zukunft eines Faches im Spiegel der RGL}}}, volume = {{336}}, year = {{2025}}, } @article{56265, abstract = {{The metal-organic framework CPO-27 exhibits free coordination sites (open metal sites) and can be prepared with a wide range of metals that influence its properties. It is therefore an intriguing structure to study sorption phenomena. We analyze the water resistance and sorption behavior of these frameworks, with particular attention to the sorption mechanism in detail and the structure of the confined water molecules. For this purpose, we use manometric water vapor sorption analysis and FTIR spectroscopy. The respective metal center orchestrates both the adsorption behavior and the arrangement of the water molecules in the micropores of the framework. The extent to which water molecules form hydrogen bonds (with each other and with framework oxygen atoms) plays a crucial role in the stability of the framework towards water. Water adsorption is governed by the coordination of water molecules to the open metal sites (except for CPO-27-Cu) and subsequent H-bonding. A stepwise adsorption of water is observed, with significant differences depending on the choice of metal.}}, author = {{Kloß, Marvin and Weinberger, Christian and Tiemann, Michael}}, issn = {{1387-1811}}, journal = {{Microporous and Mesoporous Materials}}, pages = {{113352}}, publisher = {{Elsevier BV}}, title = {{{Water in the Micropores of CPO-27 Metal-Organic Frameworks: A Comprehensive Study}}}, doi = {{10.1016/j.micromeso.2024.113352}}, volume = {{381}}, year = {{2025}}, } @article{56960, author = {{Black, Tobias}}, issn = {{0893-9659}}, journal = {{Applied Mathematics Letters}}, publisher = {{Elsevier BV}}, title = {{{Absence of dead-core formations in chemotaxis systems with degenerate diffusion}}}, doi = {{10.1016/j.aml.2024.109361}}, volume = {{161}}, year = {{2025}}, } @inbook{57020, abstract = {{AbstractIn this symposium we investigate students’ agency of selecting and using (digital) resources for developing their own learning paths. For that, we first review the literature related to students’ selection and use of resources in mathematics education in different pedagogical settings (presentation 1). Second, we develop insights from the different studies that participate in this symposium (presentation 2–6), at school as well as at university level. Results show that attempts have been made to provide students opportunities to develop agency of their mathematics learning, in particular with the development and provision of numerous digital tools and learning resources at university level and related to innovative pedagogical approaches. At the same time, it is not obvious how these tools and resources help students to develop deeper conceptual understandings. Certainly, students often ‘demand’ more student-centered and autonomous education approaches (e.g., at university level), also in mathematics education. Further, it seems that authentic problem-based education approaches are more motivating for students. These ‘innovative’ approaches necessitate particular types of structure and support for students. Moreover, they require different ways of providing resources that students can and want to interact with, and that help students to navigate through the curriculum to develop their own learning paths. At the same time, teachers also need support on how to orchestrate student learning with the available resources in such environments, so to be able to attend to students’ individual needs. The symposium comprised altogether six presentations:Birgit Pepin & Sebastian Rezat: Students’ agency of selecting and using (digital) resources for developing their own learning paths: An overviewAnnalisa Cusi & Agnese I. Telloni: Learning through digital curriculum resource design: students’ reflections on their role as designersVilma Mesa, Lelia Burley-Sanford, Xinyi Hao, & Carlos Quiroz: Interactive features in university textbooks and their use by teachers and studentsSebastian Rezat: Fostering university students’ reading and understanding of mathematical text in a flipped classroom approach with a digital marking toolBirgit Pepin & Ulises Salinas: Challenge/problem-based mathematics learning at university level: The case of the modeling weekFarzad Radmehr: Problem-posing: An inclusive activity for improving teaching and learning of mathematics at university level}}, author = {{Pepin, Birgit and Rezat, Sebastian}}, booktitle = {{Recent Advances in Mathematics Textbook Research and Development}}, editor = {{Qi, Chunxia and Fan, Lianghuo and Liu, Jian and Liu, Qimeng and Dong, Lianchun}}, isbn = {{9789819784257}}, pages = {{123–126}}, publisher = {{Springer Nature}}, title = {{{Symposium—Towards innovative practices in mathematics education: Teachers’ and students’ choice and use of digital resources}}}, doi = {{10.1007/978-981-97-8426-4_17}}, year = {{2025}}, } @inbook{57022, abstract = {{AbstractEven in the digital age, learning mathematics at an academic level still requires much interaction with mathematical texts. Understanding and developing disciplinary literacy skills at all levels is an increasing matter of interest.}}, author = {{Rezat, Sebastian}}, booktitle = {{Recent Advances in Mathematics Textbook Research and Development}}, editor = {{Qi, Chunxia and Fan, Lianghuo and Liu, Jian and Liu, Qimeng and Dong, Lianchun}}, isbn = {{9789819784257}}, pages = {{133–136}}, publisher = {{Springer Nature}}, title = {{{Fostering university students’ reading and understanding of mathematical text in a flipped classroom approach with a digital marking tool}}}, doi = {{10.1007/978-981-97-8426-4_20}}, year = {{2025}}, } @inbook{56852, author = {{Schuster, Britt-Marie and Georgi, Christopher}}, booktitle = {{Germanistische Linguistik. Genese, Zustand und Zukunft eines Faches im Spiegel der RGL}}, editor = {{Schuster, Britt-Marie and Bubenhofer, Noah and Habermann, Mechthild and Hausendorf, Heiko}}, pages = {{189–220}}, publisher = {{de Gruyter}}, title = {{{Beispiele geben, Belege anführen und Daten erheben. Diachrone Untersuchung zur Herstellung empirischer Evidenz}}}, volume = {{336}}, year = {{2025}}, } @inproceedings{58227, author = {{Brockmeier, Jan and Kruse, Stephan and Scheytt, J. Christoph}}, booktitle = {{German Microwave Conference 2025}}, location = {{Dresden}}, title = {{{A Mach-Zehnder-Modulator based FMCW Lidar Emulator in C-Band}}}, year = {{2025}}, } @inbook{56101, author = {{Adamik, Julie}}, booktitle = {{Macht und Partizipation in gesellschaftlichen Transformationsprozessen}}, title = {{{„Das Mitschaffen am Werden eines neuen Menschen, einer neuen Zeit“ – katholische Geistliche als (Mit-)Gestalter gesellschaftspolitischer Transformationsprozesse in der Weimarer Republik}}}, year = {{2025}}, }