[{"_id":"64180","user_id":"102487","language":[{"iso":"eng"}],"publication":"Algebra & Number Theory","type":"journal_article","status":"public","date_updated":"2026-02-17T13:02:21Z","publisher":"Mathematical Sciences Publishers","volume":20,"author":[{"first_name":"Fabian","last_name":"Gundlach","full_name":"Gundlach, Fabian","id":"100450"},{"last_name":"Seguin","full_name":"Seguin, Beranger Fabrice","id":"102487","first_name":"Beranger Fabrice"}],"date_created":"2026-02-16T12:43:21Z","title":"Asymptotics of extensions of simple ℚ-algebras","doi":"10.2140/ant.2026.20.383","publication_identifier":{"issn":["1944-7833","1937-0652"]},"publication_status":"published","issue":"2","year":"2026","page":"383-418","intvolume":"        20","citation":{"chicago":"Gundlach, Fabian, and Beranger Fabrice Seguin. “Asymptotics of Extensions of Simple ℚ-Algebras.” <i>Algebra &#38; Number Theory</i> 20, no. 2 (2026): 383–418. <a href=\"https://doi.org/10.2140/ant.2026.20.383\">https://doi.org/10.2140/ant.2026.20.383</a>.","ieee":"F. Gundlach and B. F. Seguin, “Asymptotics of extensions of simple ℚ-algebras,” <i>Algebra &#38; Number Theory</i>, vol. 20, no. 2, pp. 383–418, 2026, doi: <a href=\"https://doi.org/10.2140/ant.2026.20.383\">10.2140/ant.2026.20.383</a>.","ama":"Gundlach F, Seguin BF. Asymptotics of extensions of simple ℚ-algebras. <i>Algebra &#38; Number Theory</i>. 2026;20(2):383-418. doi:<a href=\"https://doi.org/10.2140/ant.2026.20.383\">10.2140/ant.2026.20.383</a>","short":"F. Gundlach, B.F. Seguin, Algebra &#38; Number Theory 20 (2026) 383–418.","mla":"Gundlach, Fabian, and Beranger Fabrice Seguin. “Asymptotics of Extensions of Simple ℚ-Algebras.” <i>Algebra &#38; Number Theory</i>, vol. 20, no. 2, Mathematical Sciences Publishers, 2026, pp. 383–418, doi:<a href=\"https://doi.org/10.2140/ant.2026.20.383\">10.2140/ant.2026.20.383</a>.","bibtex":"@article{Gundlach_Seguin_2026, title={Asymptotics of extensions of simple ℚ-algebras}, volume={20}, DOI={<a href=\"https://doi.org/10.2140/ant.2026.20.383\">10.2140/ant.2026.20.383</a>}, number={2}, journal={Algebra &#38; Number Theory}, publisher={Mathematical Sciences Publishers}, author={Gundlach, Fabian and Seguin, Beranger Fabrice}, year={2026}, pages={383–418} }","apa":"Gundlach, F., &#38; Seguin, B. F. (2026). Asymptotics of extensions of simple ℚ-algebras. <i>Algebra &#38; Number Theory</i>, <i>20</i>(2), 383–418. <a href=\"https://doi.org/10.2140/ant.2026.20.383\">https://doi.org/10.2140/ant.2026.20.383</a>"}},{"department":[{"_id":"102"}],"user_id":"93826","_id":"34887","language":[{"iso":"eng"}],"keyword":["Algebra and Number Theory"],"publication":"Algebra &amp; Number Theory","type":"journal_article","status":"public","abstract":[{"lang":"eng","text":"Let d be a nonsquare positive integer. We give the value of the natural probability that the narrow ideal class groups of the quadratic fields ℚ(√d) and ℚ(√−d) have the same 4-ranks. "}],"volume":4,"author":[{"first_name":"Étienne","last_name":"Fouvry","full_name":"Fouvry, Étienne"},{"last_name":"Klüners","id":"21202","full_name":"Klüners, Jürgen","first_name":"Jürgen"}],"date_created":"2022-12-23T09:10:12Z","date_updated":"2023-03-06T10:18:14Z","publisher":"Mathematical Sciences Publishers","doi":"10.2140/ant.2010.4.493","title":"On the Spiegelungssatz for the 4-rank","issue":"5","publication_identifier":{"issn":["1937-0652"]},"publication_status":"published","intvolume":"         4","page":"493-508","citation":{"apa":"Fouvry, É., &#38; Klüners, J. (2010). On the Spiegelungssatz for the 4-rank. <i>Algebra &#38;amp; Number Theory</i>, <i>4</i>(5), 493–508. <a href=\"https://doi.org/10.2140/ant.2010.4.493\">https://doi.org/10.2140/ant.2010.4.493</a>","bibtex":"@article{Fouvry_Klüners_2010, title={On the Spiegelungssatz for the 4-rank}, volume={4}, DOI={<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>}, number={5}, journal={Algebra &#38;amp; Number Theory}, publisher={Mathematical Sciences Publishers}, author={Fouvry, Étienne and Klüners, Jürgen}, year={2010}, pages={493–508} }","mla":"Fouvry, Étienne, and Jürgen Klüners. “On the Spiegelungssatz for the 4-Rank.” <i>Algebra &#38;amp; Number Theory</i>, vol. 4, no. 5, Mathematical Sciences Publishers, 2010, pp. 493–508, doi:<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>.","short":"É. Fouvry, J. Klüners, Algebra &#38;amp; Number Theory 4 (2010) 493–508.","ama":"Fouvry É, Klüners J. On the Spiegelungssatz for the 4-rank. <i>Algebra &#38;amp; Number Theory</i>. 2010;4(5):493-508. doi:<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>","chicago":"Fouvry, Étienne, and Jürgen Klüners. “On the Spiegelungssatz for the 4-Rank.” <i>Algebra &#38;amp; Number Theory</i> 4, no. 5 (2010): 493–508. <a href=\"https://doi.org/10.2140/ant.2010.4.493\">https://doi.org/10.2140/ant.2010.4.493</a>.","ieee":"É. Fouvry and J. Klüners, “On the Spiegelungssatz for the 4-rank,” <i>Algebra &#38;amp; Number Theory</i>, vol. 4, no. 5, pp. 493–508, 2010, doi: <a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>."},"year":"2010"}]