Relevant bibliographies by topics / Multi-semigroup

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  2. Dissertations / Theses

Academic literature on the topic 'Multi-semigroup'

Author: Grafiati
Published: 3 June 2025
Last updated: 6 July 2025

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Journal articles on the topic "Multi-semigroup"

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Ding, Zhumin, Jiandong Yin, and Xiaofang Luo. "The multi-transitivity of free semigroup actions." Stochastics and Dynamics 20, no. 05 (2020): 2050040. http://dx.doi.org/10.1142/s0219493720500409.

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In this paper, we introduce the conceptions of multi-transitivity, [Formula: see text]-transitivity and [Formula: see text]-mixing property for free semigroup actions and give some equivalent conditions for a free semigroup action to be multi-transitive, multi-transitive with respect to vectors and strongly multi-transitive, respectively. For instance, we prove that a free semigroup action is multi-transitive or multi-transitive with respect to a vector if and only if its corresponding skew product system is multi-transitive or multi-transitive with respect to the same vector.
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Wang, Huoyun, Junyan Fang, and Xinlin Zhong. "Multi-transitivity of semigroup actions." Journal of Difference Equations and Applications 27, no. 9 (2021): 1263–79. http://dx.doi.org/10.1080/10236198.2021.1985483.

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Akın, Canan. "An application of fuzzy soft multisets to algebra." Filomat 34, no. 2 (2020): 399–408. http://dx.doi.org/10.2298/fil2002399a.

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In this paper, notions of multi and soft multi LA-?-semigroup are defined. Some generalizations of certain operations on the families of the soft and fuzzy soft multisets are introduced. A concept of fuzzy multi LA-?-semigroup is presented. The concept of fuzzy soft multisets is applied to L?-?-semigroups and various characteristics of these all structures defined on LA-?-semigroups are investigated. Some properties of generalized operations on multi soft and fuzzy multi soft LA-?-semigroups are studied.
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Zeng, Tiaoying. "Multi-transitivity and Δ-transitivity for semigroup actions". Topology and its Applications 226 (серпень 2017): 1–15. http://dx.doi.org/10.1016/j.topol.2017.04.030.

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Al-Adsani, Faryal Abdullah, and Ahmed Gamal Ibrahim. "Nonlocal Conformable Differential Inclusions Generated by Semigroups of Linear Bounded Operators or by Sectorial Operators with Impulses in Banach Spaces." Axioms 14, no. 4 (2025): 230. https://doi.org/10.3390/axioms14040230.

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This paper aims to explore sufficient conditions for the existence of mild solutions to two types of nonlocal, non-instantaneous, impulsive semilinear differential inclusions involving a conformable fractional derivative, where the linear part is the infinitesimal generator of a C0-semigroup or a sectorial operator and the nonlinear part is a multi-valued function with convex or nonconvex values. We provide a definition of the mild solutions, and then, by using appropriate fixed-point theorems for multi-valued functions and the properties of both the conformable derivative and the measure of noncompactness, we achieve our findings. We did not assume that the semigroup generated by the linear part is compact, and this makes our work novel and interesting. We give examples of the application of our theoretical results.
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Abughazalah, Nabilah, Majid Khan, Noor Munir, and Amna Zafar. "Optimum criterion for lightweight nonlinear confusion component with multi-criteria decision making." Journal of Intelligent & Fuzzy Systems 40, no. 6 (2021): 12399–410. http://dx.doi.org/10.3233/jifs-210524.

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In this article, we have designed a new scheme for the construction of the nonlinear confusion component. Our mechanism uses the notion of a semigroup, Inverse LA-semigroup, and various other loops. With the help of these mathematical structures, we can easily build our confusion component namely substitution boxes (S-boxes) without having specialized structures. We authenticate our proposed methodology by incorporating the available cryptographic benchmarks. Moreover, we have utilized the technique for order of preference by similarity to ideal solution (TOPSIS) to select the best nonlinear confusion component. With the aid of this multi-criteria decision-making (MCDM), one can easily select the best possible confusion component while selecting among various available nonlinear confusion components.
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Zhang, Xin, Zhaopeng Ding, and Yanxia Liu. "Reliability Analysis of Supply Chain System with the Multi-Suppliers and Single Demander." Journal of Systems Science and Information 9, no. 2 (2021): 192–202. http://dx.doi.org/10.21078/jssi-2021-192-11.

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Abstract The time-dependent solution of a kind of supply chain system with the multi-suppliers and single demander is investigated in this paper. By choosing state space and defining operator of system, we transfer model into an abstract Cauchy problem. We are devoted to studying the unique existence of the system solution and its exponential stability by using the theory of C 0-semigroup. We prove that the system operator generates C 0-semigroup by the theory of cofinal operator and resolvent positive operator. We derive that the system has a unique nonnegative dynamic solution exponentially converging to its steady-state one which is the eigenfunction corresponding eigenvalue 0 of the system operator.
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BRODERIX, KURT, DIRK HUNDERTMARK, and HAJO LESCHKE. "CONTINUITY PROPERTIES OF SCHRÖDINGER SEMIGROUPS WITH MAGNETIC FIELDS." Reviews in Mathematical Physics 12, no. 02 (2000): 181–225. http://dx.doi.org/10.1142/s0129055x00000083.

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The objects of the present study are one-parameter semigroups generated by Schrödinger operators with fairly general electromagnetic potentials. More precisely, we allow scalar potentials from the Kato class and impose on the vector potentials only local Kato-like conditions. The configuration space is supposed to be an arbitrary open subset of multi-dimensional Euclidean space; in case that it is a proper subset, the Schrödinger operator is rendered symmetric by imposing Dirichlet boundary conditions. We discuss the continuity of the image functions of the semigroup and show local-norm-continuity of the semigroup in the potentials. Finally, we prove that the semigroup has a continuous integral kernel given by a Brownian-bridge expectation. Altogether, the article is meant to extend some of the results in B. Simon's landmark paper [Bull. Amer. Math. Soc.7 (1982) 447] to non-zero vector potentials and more general configuration spaces.
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Linesawat, Krittika, and Somsak Lekkoksung. "A Study on Multi-Intuitionistic Fuzzy Sets and Their Application in Ordered Semigroups." International Journal of Analysis and Applications 23 (March 7, 2025): 63. https://doi.org/10.28924/2291-8639-23-2025-63.

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In this paper, we introduce the notion of multi-intuitionistic fuzzy sets in ordered semigroups. The concepts of multi-intuitionistic fuzzy subsemigroups, multi-intuitionistic fuzzy left (right, two-sided, interior) ideals of an ordered semigroup are introduced and some algebraic properties of multi-intuitionistic fuzzy subsemigroups and such their multi-intuitionistic fuzzy ideals are studied. Moreover, the relationships among their multi-intuitionistic fuzzy ideals are investigated. We prove that in regular, intra-regular, and semisimple ordered semigroups, the concepts of multi-intuitionistic fuzzy interior ideals and multi-intuitionistic fuzzy ideals coincide. Finally, the new multi-intuitionistic fuzzy sets are considered.
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Hu, Qing-Qing, Feng-Fei Jin, and Bao-Qiang Yan. "Boundary Stabilization of Heat Equation with Multi-Point Heat Source." Mathematics 9, no. 8 (2021): 834. http://dx.doi.org/10.3390/math9080834.

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In this paper, we consider boundary stabilization problem of heat equation with multi-point heat source. Firstly, a state feedback controller is designed mainly by backstepping approach. Under the designed state controller, the exponential stability of closed-loop system is guaranteed. Then, an observer-based output feedback controller is proposed. We prove the exponential stability of resulting closed-loop system using operator semigroup theory. Finally, the designed state and output feedback controllers are effective via some numerical simulations.
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Dissertations / Theses on the topic "Multi-semigroup"

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Pace, Michele. "Stochastic models and methods for multi-object tracking." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2011. http://tel.archives-ouvertes.fr/tel-00651396.

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La poursuite multi-cibles a pour objet le suivi d'un ensemble de cibles mobiles à partir de données obtenues séquentiellement. Ce problème est particulièrement complexe du fait du nombre inconnu et variable de cibles, de la présence de bruit de mesure, de fausses alarmes, d'incertitude de détection et d'incertitude dans l'association de données. Les filtres PHD (Probability Hypothesis Density) constituent une nouvelle gamme de filtres adaptés à cette problématique. Ces techniques se distinguent des méthodes classiques (MHT, JPDAF, particulaire) par la modélisation de l'ensemble des cibles comme un ensemble fini aléatoire et par l'utilisation des moments de sa densité de probabilité. Dans la première partie, on s'intéresse principalement à la problématique de l'application des filtres PHD pour le filtrage multi-cibles maritime et aérien dans des scénarios réalistes et à l'étude des propriétés numériques de ces algorithmes. Dans la seconde partie, nous nous intéressons à l'étude théorique des processus de branchement liés aux équations du filtrage multi-cibles avec l'analyse des propriétés de stabilité et le comportement en temps long des semi-groupes d'intensités de branchements spatiaux. Ensuite, nous analysons les propriétés de stabilité exponentielle d'une classe d'équations à valeurs mesures que l'on rencontre dans le filtrage non-linéaire multi-cibles. Cette analyse s'applique notamment aux méthodes de type Monte Carlo séquentielles et aux algorithmes particulaires dans le cadre des filtres de Bernoulli et des filtres PHD.
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Alsulami, Saud M. A. "On Evolution Equations in Banach Spaces and Commuting Semigroups." Ohio University / OhioLINK, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1126042587.

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