منابع مشابه
Limit Preservation Properties of the Greatest Semilattice Image Functor
We study what kinds of limits are preserved by the greatest semilattice image functor from the category of all semigroups to its subcategory of all semilattices. ∗The second author’s research for this article was supported in part by Central European University (“CEU”) Special and Extension Programs and by Estonian Science Foundation grant no. 6238. †The third author’s research was partially su...
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We construct the quadratic analogue of the boson Fock functor. While in the first order (linear) case all contractions on the 1–particle space can be second quantized, the semigroup of contractions that admit a quadratic second quantization is much smaller due to the nonlinearity. The encouraging fact is that it contains, as proper subgroups (i.e. the contractions), all the gauge transformation...
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We describe a symplectization functor from the Poisson category to the symplectic “category” and we study some of its properties.
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abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...
On the Functor ℓ2
We study the functor `2 from the category of partial injections to the category of Hilbert spaces. The former category is finitely accessible, and both categories are enriched over algebraic domains. The functor preserves daggers, monoidal structures, enrichment, and various (co)limits, but has no adjoints. Up to unitaries, its direct image consists precisely of the partial isometries, but its ...
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ژورنال
عنوان ژورنال: Publications mathématiques de l'IHÉS
سال: 2013
ISSN: 0073-8301,1618-1913
DOI: 10.1007/s10240-013-0049-y