Equivariant matrix factorizations
When we define equivariant matrix factorizations, P_1 and P_0 may have distinct group actions. For instance, if Z_3 acts on the complex line, then the action on the function ring(namely, C[z]) is naturally induced. Then let w=z^n, and think of the matrix factorization of w. Then P_1 and P_0 are both C[z] which are free C[z]=modules. To have nontrivial objects, we need to give different actions on each "module", not just taking a priori defined action on C[z].
by 상욱 | 2012/04/01 08:43 | Math | 트랙백 | 덧글(0)
트랙백 주소 : http://leemky7.egloos.com/tb/3311150
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