Geodesic
Algèbre
Skew graded (A ∞ ) hypersurface singularities
Ueyama, Kenta1 
1 Department of Mathematics, Faculty of Education, Hirosaki University, 1 Bunkyocho, Hirosaki, Aomori 036-8560, Japan
Comptes Rendus. Mathématique, Tome 361 (2023) no. G2, pp. 521-534

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For a skew version of a graded (A ∞ ) hypersurface singularity A, we study the stable category of graded maximal Cohen-Macaulay modules over A. As a consequence, we see that A has countably infinite Cohen–Macaulay representation type and is not a noncommutative graded isolated singularity.

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DOI : 10.5802/crmath.415
Classification : 16G50, 16S38, 18G80, 05C50

Ueyama, Kenta 1

1 Department of Mathematics, Faculty of Education, Hirosaki University, 1 Bunkyocho, Hirosaki, Aomori 036-8560, Japan
Licence : CC-BY 4.0
Droits d'auteur : Les auteurs conservent leurs droits 
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     author = {Ueyama, Kenta},
     title = {Skew graded $(A_\infty )$ hypersurface singularities},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {521--534},
     publisher = {Acad\'emie des sciences, Paris},
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     doi = {10.5802/crmath.415},
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Ueyama, Kenta. Skew graded $(A_\infty )$ hypersurface singularities. Comptes Rendus. Mathématique, Tome 361 (2023) no. G2, pp. 521-534. doi: 10.5802/crmath.415

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