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東京名古屋代数セミナー
過去の記録 ～01/17｜次回の予定｜今後の予定 01/18～
| 担当者 | 阿部 紀行、Aaron Chan、伊山 修、行田 康晃、中岡 宏行、高橋 亮 |
|---|---|
| セミナーURL | http://www.math.nagoya-u.ac.jp/~aaron.chan/TNAseminar.html |
2022年10月20日(木)
16:40-18:10 オンライン開催
オンライン開催の詳細は講演参考URLをご覧ください。
Martin Kalck 氏 (Freiburg University)
A surface and a threefold with equivalent singularity categories (English)
http://www.math.nagoya-u.ac.jp/~aaron.chan/TNAseminar.html
オンライン開催の詳細は講演参考URLをご覧ください。
Martin Kalck 氏 (Freiburg University)
A surface and a threefold with equivalent singularity categories (English)
[ 講演概要 ]
We discuss a triangle equivalence between singularity categories of an
affine surface and an affine threefold.
Both are isolated cyclic quotient singularities.
This seems to be the first (non-trivial) example of a singular
equivalence involving varieties of even and odd Krull dimension.
The same approach recovers a result of Dong Yang showing a singular
equivalence between certain cyclic quotient singularities in dimension
2 and certain finite dimensional commutative algebras.
This talk is based on https://arxiv.org/pdf/2103.06584.pdf
[ 講演参考URL ]We discuss a triangle equivalence between singularity categories of an
affine surface and an affine threefold.
Both are isolated cyclic quotient singularities.
This seems to be the first (non-trivial) example of a singular
equivalence involving varieties of even and odd Krull dimension.
The same approach recovers a result of Dong Yang showing a singular
equivalence between certain cyclic quotient singularities in dimension
2 and certain finite dimensional commutative algebras.
This talk is based on https://arxiv.org/pdf/2103.06584.pdf
http://www.math.nagoya-u.ac.jp/~aaron.chan/TNAseminar.html
