Results 81 to 90 of about 84,954 (299)
Semigroups of Right Quotients of Topological Semigroups [PDF]
Transactions of the American Mathematical Society, 1970 Introduction. Let S= (S, -) be a semigroup and T= QT(S, E) a semigroup of right quotients of S with respect to a subsemigroup E of S (cf. ?2). Suppose that S is equipped with a topology S which makes (S, ., C) into a topological semigroup. The purpose of this paper is to investigate topologies Z on T with the properties that (T, *, Z) is a topological ...
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Measure‐valued processes for energy markets
Mathematical Finance, Volume 35, Issue 2, Page 520-566, April 2025.Abstract We introduce a framework that allows to employ (non‐negative) measure‐valued processes for energy market modeling, in particular for electricity and gas futures. Interpreting the process' spatial structure as time to maturity, we show how the Heath–Jarrow–Morton approach can be translated to this framework, thus guaranteeing arbitrage free ...
Christa Cuchiero +3 more
wiley +1 more source
Translatability and translatable semigroups
Open Mathematics, 2018 The concept of a k-translatable groupoid is explored in depth. Some properties of idempotent k-translatable groupoids, left cancellative k-translatable groupoids and left unitary k-translatablegroupoids are proved. Necessary and sufficient conditions are
Dudek Wieslaw A., Monzo Robert A. R.
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Syntactic semigroup problem for the semigroup reducts of Affine Near-semirings over Brandt Semigroups [PDF]
arXiv, 2015 The syntactic semigroup problem is to decide whether a given finite semigroup is syntactic or not. This work investigates the syntactic semigroup problem for both the semigroup reducts of $A^+(B_n)$, the affine near-semiring over a Brandt semigroup $B_n$. It is ascertained that both the semigroup reducts of $A^+(B_n)$ are syntactic semigroups.
arxiv
Intrinsic Hopf–Lax formula and Hamilton–Jacobi equation
Bulletin of the London Mathematical Society, Volume 57, Issue 4, Page 1208-1228, April 2025.Abstract The purpose of this article is to analyze the notion of intrinsic Hopf–Lax formula and its connection with the Hamilton–Jacobi‐type equation.
Daniela Di Donato
wiley +1 more source
On the closure of the extended bicyclic semigroup
Karpatsʹkì Matematičnì Publìkacìï, 2011 In the paper we study the semigroup $mathscr{C}_{mathbb{Z}}$which is a generalization of the bicyclic semigroup. We describemain algebraic properties of the semigroup$mathscr{C}_{mathbb{Z}}$ and prove that every non-trivialcongruence $mathfrak{C}$ on the
I. R. Fihel, O. V. Gutik
doaj
Journal of Algebra, 1998 AbstractThe setSof ordered monomials in the variablesx1,…,xnis called abinomial semigroupif, as a semigroup, it can be defined via a set of generators {x1,…,xn} and a set ofn(n−1)/2 quadratic relations of the typexjxi=xi′xj′, wherej>iandi′
Jespers, Eric, Okninski, J.
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The three limits of the hydrostatic approximation
Journal of the London Mathematical Society, Volume 111, Issue 4, April 2025.Abstract The primitive equations are derived from the 3D Navier–Stokes equations by the hydrostatic approximation. Formally, assuming an ε$\varepsilon$‐thin domain and anisotropic viscosities with vertical viscosity νz=O(εγ)$\nu _z=\mathcal {O}(\varepsilon ^\gamma)$ where γ=2$\gamma =2$, one obtains the primitive equations with full viscosity as ε→0 ...
Ken Furukawa +5 more
wiley +1 more source
Cross-connections in Clifford semigroups [PDF]
arXiv, 2022 An inverse Clifford semigroup (often referred to as just a Clifford semigroup) is a semilattice of groups. It is an inverse semigroup and in fact, one of the earliest studied classes of semigroups. In this short note, we discuss various structural aspects of a Clifford semigroup from a cross-connection perspective.
arxiv
Quotient semigroups and extension semigroups
Proceedings - Mathematical Sciences, 2012 We discuss properties of quotient semigroup of abelian semigroup from the viewpoint of C*-algebra and apply them to a survey of extension semigroups. Certain interrelations among some equivalence relations of extensions are also considered.
Changguo Wei, Shudong Liu, Rong Xing
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