نتایج جستجو برای: ideal of null morphisms

تعداد نتایج: 21173434  

The generalized fuzzy valued $theta$-Choquet integrals will beestablished for the given $mu$-integrable fuzzy valued functionson a general fuzzy measure space, and the convergence theorems ofthis kind of fuzzy valued integral are being discussed.Furthermore, the whole of integrals is regarded as a fuzzy valuedset function on measurable space, the double-null asymptoticadditivity and pseudo-doub...

Journal: :Journal of Pure and Applied Algebra 1989

Journal: :Annales de l’institut Fourier 1987

Journal: :Journal of Algebra 2009

2008
JUN LI

Let W → C be degeneration of smooth varieties so that the special fiber has normal crossing singularity. In this paper, we first constructed the stack of expanded degenerations of W . We then constructed the moduli space of stable morphisms to this stack, which provides a degeneration of the moduli spaces of stable morphisms associated to W/C. Using similar technique, for a pair of smooth varie...

2006
J. ADÁMEK M. HÉBERT L. SOUSA

A logic of orthogonality characterizes all “orthogonality consequences” of a given class Σ of morphisms, i.e. those morphisms s such that every object orthogonal to Σ is also orthogonal to s. A simple four-rule deduction system is formulated which is sound in every cocomplete category. In locally presentable categories we prove that the deduction system is also complete (a) for all classes Σ of...

2006
Lioubov Dombrovskaia Liliana Guzman

Software design implies searching for and establishing an adequate morphism between the real world and the desired software. Morphisms establish correspondences between different domains while some properties are preserved, at the same time. It allows seeing different things as the same, taking the substitute image for the real one. The more adjusted to reality the morphism is, the better the s...

Journal: :J. UCS 1999
Grigore Rosu

Institutions were introduced by Goguen and Burstall [GB84, GB85, GB86, GB92] to formally capture the notion of logical system. Interpreting institutions as functors, and morphisms and representations of institutions as natural transformations, we give elegant proofs for the completeness of the categories of institutions with morphisms and representations, respectively, show that the duality bet...

Journal: :Social Science Research Network 2022

In this paper we investigate the structure of most general kind substitution shifts, including non-minimal ones and allowing erasing morphisms. We prove decidability all properties these morphisms with respect to shift space generated by iteration, such as aperiodicity, recognizability, irreducibility or minimality.

In this work, the gravitational collapse of a spherically symmetric null shell with the flat interior and a charged Vaidya exterior spacetimes is studied. There is no gravitational impulsive wave present on the null hypersurface which is shear-free and contracting. It follows that there is a critical radius at which the shell bounces and starts expanding.

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