On the Motivic Class of the Moduli Stack of Twisted -Covers
We describe the class, in the Grothendieck group of stacks, of the stack of twisted -covers of genus 0 curves, in terms of the loci corresponding to covers over smooth bases.
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| Veröffentlicht in: | Symmetry, Integrability and Geometry: Methods and Applications |
|---|---|
| Datum: | 2023 |
| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
Інститут математики НАН України
2023
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/212024 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | On the Motivic Class of the Moduli Stack of Twisted -Covers. Massimo Bagnarol and Fabio Perroni. SIGMA 19 (2023), 107, 31 pages |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862643936602882048 |
|---|---|
| author | Bagnarol, Massimo Perroni, Fabio |
| author_facet | Bagnarol, Massimo Perroni, Fabio |
| citation_txt | On the Motivic Class of the Moduli Stack of Twisted -Covers. Massimo Bagnarol and Fabio Perroni. SIGMA 19 (2023), 107, 31 pages |
| collection | DSpace DC |
| container_title | Symmetry, Integrability and Geometry: Methods and Applications |
| description | We describe the class, in the Grothendieck group of stacks, of the stack of twisted -covers of genus 0 curves, in terms of the loci corresponding to covers over smooth bases.
|
| first_indexed | 2026-03-15T08:55:11Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-212024 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 1815-0659 |
| language | English |
| last_indexed | 2026-03-15T08:55:11Z |
| publishDate | 2023 |
| publisher | Інститут математики НАН України |
| record_format | dspace |
| spelling | Bagnarol, Massimo Perroni, Fabio 2026-01-23T10:07:29Z 2023 On the Motivic Class of the Moduli Stack of Twisted -Covers. Massimo Bagnarol and Fabio Perroni. SIGMA 19 (2023), 107, 31 pages 1815-0659 2020 Mathematics Subject Classification: 14D23; 14F45; 14H30 arXiv:2212.14722 https://nasplib.isofts.kiev.ua/handle/123456789/212024 https://doi.org/10.3842/SIGMA.2023.107 We describe the class, in the Grothendieck group of stacks, of the stack of twisted -covers of genus 0 curves, in terms of the loci corresponding to covers over smooth bases. This article is dedicated to Lothar Göttsche on the occasion of his 60th birthday, with esteem and admiration. We want to thank the anonymous referees for their precious comments and observations about an earlier version of the article, and the guest editors of the special volume for the invitation and for their comments. The second author was partially supported by the national project 2017SSNZAW 005-PE1 “Moduli Theory and Birational Classification”, by the research group GNSAGA of INDAM, and by the FRA of the University of Trieste. en Інститут математики НАН України Symmetry, Integrability and Geometry: Methods and Applications On the Motivic Class of the Moduli Stack of Twisted -Covers Article published earlier |
| spellingShingle | On the Motivic Class of the Moduli Stack of Twisted -Covers Bagnarol, Massimo Perroni, Fabio |
| title | On the Motivic Class of the Moduli Stack of Twisted -Covers |
| title_full | On the Motivic Class of the Moduli Stack of Twisted -Covers |
| title_fullStr | On the Motivic Class of the Moduli Stack of Twisted -Covers |
| title_full_unstemmed | On the Motivic Class of the Moduli Stack of Twisted -Covers |
| title_short | On the Motivic Class of the Moduli Stack of Twisted -Covers |
| title_sort | on the motivic class of the moduli stack of twisted -covers |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/212024 |
| work_keys_str_mv | AT bagnarolmassimo onthemotivicclassofthemodulistackoftwistedcovers AT perronifabio onthemotivicclassofthemodulistackoftwistedcovers |