Media type: E-Article Title: A note on Grothendieck’s standard conjectures of type $C^+$ and $D$ Contributor: Tabuada, Gonçalo Published: American Mathematical Society (AMS), 2018 Published in: Proceedings of the American Mathematical Society, 146 (2018) 4, Seite 1389-1399 Language: English DOI: 10.1090/proc/13955 ISSN: 0002-9939; 1088-6826 Origination: Footnote: Access State: Open Access