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139. 29/09/2025 Nishant Rathee (IISER Mohali, India)
Title: Extensions of Skew Braces
Abstract: Skew braces are important algebraic structures arising from non-degenerate set-theoretic solutions of the Yang–Baxter equation. In this talk, we discuss extensions of skew braces and their connection with the second cohomology group. We will also see how an action of a skew brace on an abelian group naturally induces a representation of the skew brace. Furthermore, we explore split extensions of skew braces and their relation to the splitting of group extensions.
Future talks:
140. 06/10/2025 Dijana Ilišević (University of Zagreb, Croatia)
141. 13/10/2025 Ilja Gogić (University of Zagreb, Croatia)
142. 20/10/2025 Victor Roca i Lucio (Paris Cité University, France)
143. 27/10/2025 Michiel Smet (Ghent University, Belgium)
144. 03/11/2025 Xiaomin Tang (Heilongjiang University, China)
145. 10/11/2025 Ginevra Giordani (University of L'Aquila, Italy)
146. 17/11/2025 Yulia Zaitseva (HSE University, Russia)
147. 24/11/2025 Gerardo Martín Escolano (University of Granada, Spain)
148. 01/12/2025 Vicent Pérez Calabuig (University of Valencia, Spain)
149. 08/12/2025 Azamat Saydaliyev (Institute of Mathematics, Uzbekistan)
150. 15/12/2025 Cristina Draper (University of Málaga, Spain)
----. 22/12/2025 XX Non-Associative Day in Online´25
151. 05/01/2026 Dimas José Gonçalves (Federal University of São Carlos, Brazil)
152. 12/01/2026 Ramón González Rodríguez (University of Vigo, Spain)
153. 19/01/2026 Dimitar Grantcharov (University of Texas at Arlington, USA)
154. 26/01/2026 Bernardo Leite da Cunha (University of Santiago de Compostela, Spain)
155. 02/02/2026 Zahra Nazemian (University of Graz, Austria)
156. 09/02/2026 Hans Cuypers (Eindhoven University of Technology, Netherlands)
157. 16/02/2026 Davide Ferri (University of Torino, Italy)
158. 23/02/2026 Saikat Goswami (Institute for Advancing Intelligence, India)
159. 02/03/2026 Solomon Vishkautsan (Tel-Hai Academic College, Israel)
160. 09/03/2026 Lucia Bagnoli (National Institute for Pure and Applied Mathematics, Brazil)
161. 16/03/2026 Carsten Dietzel (University of Caen Normandy, France)
162. 23/03/2026 István Heckenberger (Philipps University Marburg, Germany)
163. 30/03/2026 Willian Franca (Federal University of Juiz de Fora, Brazil)
164. 06/04/2026 Rong Tang (Jilin University, China)
165. 13/04/2026 Maria Ferrara (University of Campania Luigi Vanvitelli, Italy)
166. 20/04/2026 Michael Lau (Laval University, Canada)
167. 27/04/2026 Abdenacer Makhlouf (University of Haute Alsace, France)
Ivan Kaygorodov • Salvatore Siciliano • Mykola Khrypсhenko • Jobir Adashev