Ramadas, Rohini and Silversmith, Rob (2022) Two-dimensional cycle classes on M_{0,n}-bar. Mathematische Zeitschrift, 301 . pp. 3712-3726. doi:10.1007/s00209-022-03031-6 ISSN 0025-5874.

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Abstract

For each n≥5n≥5, we give an SnSn-equivariant basis for H4(M0,n,Q)H4(M0,n,Q), as well as for H2(n-5)(M0,n,Q)H2(n-5)(M¯0,n,Q). Such a basis exists for H2(M0,n,Q)H2(M0,n,Q) and for H2(n-4)(M0,n,Q)H2(n-4)(M0,n,Q), but it is not known whether one exists for H2k(M0,n,Q)H2k(M0,n,Q) when 3≤k≤n-63≤k≤n-6.

Item Type:	Journal Article
Subjects:	Q Science > QA Mathematics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Mathematics
Library of Congress Subject Headings (LCSH):	Moduli theory, Algebraic cycles, Algebra, Homological
Journal or Publication Title:	Mathematische Zeitschrift
Publisher:	Springer
ISSN:	0025-5874
Official Date:	August 2022
Dates:	Date Event August 2022 Published 20 May 2022 Available 17 March 2022 Accepted
Volume:	301
Page Range:	pp. 3712-3726
DOI:	10.1007/s00209-022-03031-6
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	13 April 2022
Date of first compliant Open Access:	28 June 2022
Related URLs:	Publisher
Open Access Version:	ArXiv

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