Date | Nov 28, 2014 |
---|---|

Speaker | 이동건 |

Dept. | POSTECH/PMI |

Room | 27-317 |

Time | 11:00-12:00 |

. Tate made systematic use of commutative di erential graded algebras over a commutative noetherian ring R and showed that there always exists a free resolution X of the residue class ring R = M which is a commutative di erential graded algebra over R in (1). I want to introduce a generalization of the result in a suitable way to a case when M is not necessarily an ideal of R. It turns out that homotopy Lie theory, so called L∞-homotopy theory, plays an essential role.

References

(1) Tate, John; Homology of Noetherian rings and local rings. Illinois J. Math. 1 (1957), 14-27.

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