Results 31 to 40 of about 100,519 (222)

Presentably symmetric monoidal infinity-categories are represented by symmetric monoidal model categories [PDF]

open access: yes, 2017
We prove the theorem stated in the title. More precisely, we show the stronger statement that every symmetric monoidal left adjoint functor between presentably symmetric monoidal infinity-categories is represented by a strong symmetric monoidal left ...
Nikolaus, Thomas, Sagave, Steffen
core   +2 more sources

Frobenius reciprocity and the Haagerup tensor product [PDF]

open access: yes, 2017
In the context of operator-space modules over C*-algebras, we give a complete characterisation of those C*-correspondences whose associated Haagerup tensor product functors admit left adjoints.
Crisp, Tyrone
core   +3 more sources

Homotopy theory of Moore flows (II)

open access: yesExtracta Mathematicae, 2021
This paper proves that the q-model structures of Moore flows and of multipointed d-spaces are Quillen equivalent. The main step is the proof that the counit and unit maps of the Quillen adjunction are isomorphisms on the q-cofibrant objects (all objects ...
Philippe Gaucher
doaj  

Various local global principles for abelian groups [PDF]

open access: yes, 1994
We discuss local global principles for abelian groups by examining the adjoint functor pair obtained by (left adjoint) sending an abelian group $A$ to the local diagram $\Cal L(A)=\{\Bbb Z_{(p)}\otimes A\rightarrow \Bbb Q\otimes A\}$ and (right adjoint ...
Peschke, G., Symonds, P.
core   +2 more sources

A simplification functor for coalgebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2006
For an arbitrary-type functor F, the notion of split coalgebras, that is, coalgebras for which the canonical projections onto the simple factor split, generalizes the well-known notion of simple coalgebras. In case F weakly preserves kernels, the passage
Maurice Kianpi, Celestin Nkuimi Jugnia
doaj   +1 more source

Towards free localic algebras [PDF]

open access: yesCategories and General Algebraic Structures with Applications
The purpose of this paper is to establish that the underlying objectfunctor from the models of a Lawvere theory to the base category creates limitsand coequalisers of all parallel pairs of homomorphisms whose underlying pairadmit a split coequaliser.
Nathan Tshakatumba   +2 more
doaj   +1 more source

A uniqueness theorem for stable homotopy theory [PDF]

open access: yes, 1999
In this paper we study the global structure of the stable homotopy theory of spectra. We establish criteria for when the homotopy theory associated to a given stable model category agrees with the classical stable homotopy theory of spectra.
Schwede, Stefan, Shipley, Brooke
core   +3 more sources

Co-Frobenius corings and adjoint functors

open access: yesJournal of Pure and Applied Algebra, 2008
We study co-Frobenius and more generally Quasi-co-Frobenius corings over arbitrary baserings and over PF baserings in particular. We generalize some results about (Quasi-) co-Frobenius coalgebras to the case of non-commutative base rings and give several new characterisations for co-Frobenius and Quasi-co-Frobenius corings, some of them are new even in
Iovanov, Miodrag, Vercruysse, Joost
openaire   +5 more sources

Separable functors in corings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
We develop some basic functorial techniques for the study of the categories of comodules over corings. In particular, we prove that the induction functor stemming from every morphism of corings has a left adjoint, called ad-induction functor.
J. Gómez-Torrecillas
doaj   +1 more source

Adjoint functors induced by adjoint linear transformations [PDF]

open access: yesProceedings of the American Mathematical Society, 1974
Adjoint linear transformations between Hilbert spaces or, more generally, between dual systems of topological vector spaces induce contravariant functors which are adjoint on the right—essentially a Galois connection between the posets of subsets (or subspaces) of the spaces. Modulo scalars the passage from linear maps to functors is one-to-one; indeed,
openaire   +1 more source

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