نتایج جستجو برای: cohomology operations
تعداد نتایج: 147561 فیلتر نتایج به سال:
Following ideas of Pirashvili, we define higher order Hochschild cohomology over spheres S defined for any commutative algebra A and module M . When M = A, we prove that this cohomology is equipped with graded commutative algebra and degree d Lie algebra structures as well as with Adams operations. All operations are compatible in a suitable sense. These structures are related to Brane topology...
In this paper, we analyze the structure possessed by the homotopy groups of a simplicial abelian Hopf algebra over the field F2. Specifically, we review the higher-order structure that the homotopy groups of a simplicial commutative algebra and simplicial cocommutative coalgebra possess. We then demonstrate how these structures interact under the added conditions present in a Hopf algebra. Intr...
Using the character theory of Hopkins-Kuhn-Ravenel and the total power operation in complex cobordism of tom Dieck, we develop a theory of power operations in Landweber-exact cohomology theories. We give a description of the total power operation in terms of the theory of subgoups of formal group laws developed by Lubin. We apply this machinery in two cases. For the cohomology theory Eh, we obt...
Floer cohomology groups are usually defined over a field of formal functions (a Novikov field). Under certain assumptions, one can equip them with connections, which means operations of differentiation with respect to the Novikov variable. This allows one to write differential equations for Floer cohomology classes. Here, we apply that idea to symplectic cohomology groups associated to Lefschet...
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