Results 21 to 30 of about 20,223,294 (154)

Additivity of symmetric and subspace designs [PDF]

open access: yesarXiv, 2023
A $2$-$(v,k,\lambda)$ design is additive (or strongly additive) if it is possible to embed it in a suitable abelian group $G$ in such a way that its block set is contained in (or coincides with) the set of all the zero-sum $k$-subsets of $G$. Explicit results on the additivity or strong additivity of symmetric designs and subspace 2-designs are ...
arxiv  

Additive Lie ($ξ$-Lie) Derivations and Generalized Lie ($ξ$-Lie) Derivations on Prime Algebras [PDF]

open access: yesarXiv, 2010
The additive (generalized) $\xi$-Lie derivations on prime algebras are characterized. It is shown, under some suitable assumption, that an additive map $L$ is an additive (generalized) Lie derivation if and only if it is the sum of an additive (generalized) derivation and an additive map from the algebra into its center vanishing all commutators; is an
arxiv  

Local Codes with Addition Based Repair

open access: yes, 2015
We consider the complexities of repair algorithms for locally repairable codes and propose a class of codes that repair single node failures using addition operations only, or codes with addition based repair.
Dau, Son Hoang   +3 more
core   +1 more source

Every null additive set of reals is meager additive [PDF]

open access: yesIsrael J. Math. 89 (1995), 357--376, 1994
We show that every null-additive set is meager-additive, where: (1) a set X subseteq 2^omega is null-additive if for every Lebesgue null set A subseteq 2^omega, X+A is null too; (2) we say that X subseteq 2^omega is meager-additive if for every A subseteq 2^omega which is meager also X+A is meager.
arxiv  

Double variational principle for mean dimensions with sub-additive potentials [PDF]

open access: yesarXiv, 2020
In this paper, we introduce mean dimension quantities with sub-additive potentials. We define mean dimension with sub-additive potentials and mean metric dimension with sub-additive potentials, and establish a double variational principle for sub-additive potentials.
arxiv  

Coverability is Undecidable in One-dimensional Pushdown Vector Addition Systems with Resets [PDF]

open access: yes, 2019
We consider the model of pushdown vector addition systems with resets. These consist of vector addition systems that have access to a pushdown stack and have instructions to reset counters. For this model, we study the coverability problem. In the absence of resets, this problem is known to be decidable for one-dimensional pushdown vector addition ...
arxiv   +1 more source

Ranking Functions for Vector Addition Systems

open access: yes, 2017
Vector addition systems are an important model in theoretical computer science and have been used for the analysis of systems in a variety of areas. Termination is a crucial property of vector addition systems and has received considerable interest in ...
Anders Sjödin (611183)   +9 more
core   +2 more sources

On the equivalence of some eternal additive coalescents [PDF]

open access: yesarXiv, 2006
In this paper, we study additive coalescents. Using their representation as fragmentation processes, we prove that the law of a large class of eternal additive coalescents is absolutely continuous with respect to the law of the standard additive coalescent on any bounded time interval.
arxiv  

Subsonic flutter analysis addition to NASTRAN [PDF]

open access: yes, 1973
A subsonic flutter analysis capability has been developed for NASTRAN, and a developmental version of the program has been installed on the CDC 6000 series digital computers at the Langley Research Center.
Doggett, R. V., Jr., Harder, R. L.
core   +1 more source

The additive dilogarithm [PDF]

open access: yesarXiv, 2002
We define an additive version of the Bloch group of a field, together with an additive dilogarithm and an Artin-Schreier realization.
arxiv  

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