منابع مشابه
On n-excisive functors of module categories
We give a new construction for the n-th Taylor polynomial, in the sense of Goodwillie calculus, for homotopy functors from spectra to spectra. We then use this model to classify n-excisive functors of module categories of functors with smash product (FSPs) by bi-modules of explicit FSPs. Introduction: In [Cal3], T. Goodwillie constructs a Taylor tower for functors from spectra to spectra. The l...
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Mathematical knowledge has reached a size when it has become extremely hard to organize. A new method to organize mathematical knowledge is through representing mathematical theories in a computer system. There are several languages that can organize mathematical knowledge. We will focus on the MMT language that provides a web scalable module system for mathematical theories. In MMT the theorie...
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We obtain semantic characterizations, holding for any Grothendieck site (C, J), for the models of a theory classified by a topos of the form Sh(C, J) in terms of the models of a theory classified by a topos [C,Set]. These characterizations arise from an appropriate representation of flat functors into Grothendieck toposes based on an application of the Yoneda Lemma in conjunction with ideas fro...
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Let G be a discrete group for which the classifying space for proper G-actions is finite-dimensional. We find a space W such that for any such G, the classifying space BG for proper G-bundles has the homotopy type of the W -nullification of BG. We use this to deduce some results concerning BG and in some cases where there is a good model for BG we obtain information about the BZ/p-nullification...
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ژورنال
عنوان ژورنال: Czechoslovak Mathematical Journal
سال: 1992
ISSN: 0011-4642,1572-9141
DOI: 10.21136/cmj.1992.128358