English Sum of residues formula Cited by user SilverMatsu on 12 Aug 2022 In mathematics, the residue formula says that the sum of the residues of a meromorphic differential form on a smooth proper algebraic curve vanishes.
English Yoneda product Cited by user Wundzer on 28 Apr 2020 In algebra, the Yoneda product (named after Nobuo Yoneda) is the pairing between Ext groups of modules: