Results 41 to 50 of about 77,893 (200)

Linear Systems over Join-Blank Algebras [PDF]

open access: yes, 2017
A central problem of linear algebra is solving linear systems. Regarding linear systems as equations over general semirings (V,otimes,oplus,0,1) instead of rings or fields makes traditional approaches impossible.
Jananthan, Hayden   +2 more
core   +2 more sources

Criterion for the cosemanticness of the Abelian groups in the enriched signature

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2018
In the present paper we give a criterion of the cosemanticness relative to the Jonsson spectrum of the model in the class of Abelian groups with a distinguished predicate.
A.R. Yeshkeyev   +2 more
doaj   +1 more source

Renormalization : A number theoretical model [PDF]

open access: yes, 2006
We analyse the Dirichlet convolution ring of arithmetic number theoretic functions. It turns out to fail to be a Hopf algebra on the diagonal, due to the lack of complete multiplicativity of the product and coproduct.
A. Petermann   +20 more
core   +2 more sources

Formality properties of finitely generated groups and Lie algebras

open access: yes, 2019
We explore the graded and filtered formality properties of finitely generated groups by studying the various Lie algebras over a field of characteristic 0 attached to such groups, including the Malcev Lie algebra, the associated graded Lie algebra, the ...
Suciu, Alexander I., Wang, He
core   +1 more source

T-Duality from super Lie n-algebra cocycles for super p-branes [PDF]

open access: yes, 2017
We compute the $L_\infty$-theoretic dimensional reduction of the F1/D$p$-brane super $L_\infty$-cocycles with coefficients in rationalized twisted K-theory from the 10d type IIA and type IIB super Lie algebras down to 9d.
Fiorenza, D., Sati, H., Schreiber, U.
core   +3 more sources

Provably Total Primitive Recursive Functions: Theories with Induction [PDF]

open access: yes, 2004
A natural example of a function algebra is R (T), the class of provably total computable functions (p.t.c.f.) of a theory T in the language of first order Arithmetic. In this paper a simple characterization of that kind of function algebras is obtained.
Cordón Franco, Andrés   +2 more
core   +1 more source

On the Gauged Non-compact Spin System [PDF]

open access: yes, 1998
We examine classical and quantum aspects of the planar non-compact spin system coupled with Chern-Simons gauge field in the presence of background charge.
Belavin A. A.   +4 more
core   +2 more sources

Coarse graining as a representation change

open access: yesPhysics Letters B, 2019
We discuss how SU(1,1) coherent states from the discrete series allow for a natural coarse graining operation. The physical application is quantum theories based on a set of three extensive observables whose Poisson algebra is isomorphic to su(1,1).
Norbert Bodendorfer, Fabian Haneder
doaj   +1 more source

Algebraic orthogonality and commuting projections in operator algebras

open access: yes, 2017
We describe absolutely ordered $p$-normed spaces, for $1 \le p \le \infty$ which presents a model for "non-commutative" vector lattices and includes order theoretic orthogonality.
Karn, Anil Kumar
core   +1 more source

Weakly almost periodic functions, model-theoretic stability, and minimality of topological groups [PDF]

open access: yes, 2015
We investigate the automorphism groups of $\aleph\_0$-categorical structures and prove that they are exactly the Roelcke precompact Polish groups. We show that the theory of a structure is stable if and only if every Roelcke uniformly continuous function
Tsankov, Todor, Yaacov, Itaï Ben
core   +1 more source

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