Results 81 to 90 of about 58,101 (201)

Efficient Dynamics: Reduced‐Order Modeling of the Time‐Dependent Schrödinger Equation

Advanced Physics Research, Volume 5, Issue 2, February 2026.
Reduced‐order modeling (ROM) approaches for the time‐dependent Schrödinger equation are investigated, highlighting their ability to simulate quantum dynamics efficiently. Proper Orthogonal Decomposition, Dynamic Mode Decomposition, and Reduced Basis Methods are compared across canonical systems and extended to higher dimensions.
Kolade M. Owolabi
wiley   +1 more source

Control of Open Quantum Systems via Dynamical Invariants

Advanced Quantum Technologies, Volume 9, Issue 2, February 2026.
Dynamical invariants are used to reverse‐engineer control fields for open quantum systems described by time‐dependent Lindblad master equations. By minimizing an analytic leakage functional, the protocol dynamically steers the state along an effectively decoherence‐free path without costly iterative propagation.
Loris M. Cangemi, Hilario Espinós, Ricardo Puebla, Erik Torrontegui, Amikam Levy   +4 more
wiley   +1 more source

Jordan homomorphisms and T‐ideals

Journal of the London Mathematical Society, Volume 113, Issue 2, February 2026.
Abstract Let A$A$ and B$B$ be associative algebras over a field F$F$ with char(F)≠2${\rm char}(F)\ne 2$. Our first main result states that if A$A$ is unital and equal to its commutator ideal, then every Jordan epimorphism φ:A→B$\varphi:A\rightarrow B$ is the sum of a homomorphism and an antihomomorphism. Our second main result concerns (not necessarily
Matej Brešar, Efim Zelmanov
wiley   +1 more source

Some faces of Smarandache semigroups' concept in transformation semigroups' approach [PDF]

, 2007
In the following text, the main aim is to distinguish some relations between Smarad- che semigroups and (topological) transformation semigroups areas.
Ayatollah, Zadeh Shirazi, Hosseini, A.
core   +1 more source

Modeling Spiral Chaos in Predator–Prey Dynamics Using Implicit Integration Factor Schemes

Computational and Mathematical Methods, Volume 2026, Issue 1, 2026.
This paper presents efficient implicit integration factor (IIF) methods as robust alternatives to classical finite difference schemes for the numerical solution of nonlinear time‐dependent reaction–diffusion equations in one and two spatial dimensions.
Kolade M. Owolabi, Sonal Jain, Edson Pindza, Eben Maré, Bapan Ghosh   +4 more
wiley   +1 more source

An Approach to Baer Criteria of Injectivity Versus Ideal Injectivity

International Journal of Mathematics and Mathematical Sciences, Volume 2026, Issue 1, 2026.
This paper aims to investigate the Baer‐type criteria for the injectivity of S‐acts. Unlike modules over rings, where the Baer criterion for injectivity is valid, this criterion remains an open problem for acts over semigroups. Every injective S‐act is ideal injective, but the converse does not hold in general.
Hasan Barzegar, Anwar Saleh Alwardi
wiley   +1 more source

Commutative Semigroups Which Are Semigroup Amalgamation Bases

Journal of Algebra, 2001
A semigroup amalgam \([\{T_k\}_{i\in I};S]\) is an indexed family of semigroups \(T_i\) containing a semigroup \(S\) such that \(T_i\cap T_j=S\) for all distinct \(i,j\in I\). A semigroup \(S\) is called a semigroup amalgamation base (simply, amalgamation base) if any semigroup amalgam \([\{T_i\}_{i\in I};S]\) is embedded into a semigroup. A semigroup \
openaire   +2 more sources

Pre A∗‐Algebras and Their Applications in Fuzzy Set Theory

International Journal of Mathematics and Mathematical Sciences, Volume 2026, Issue 1, 2026.
This paper studies Pre A∗‐algebras and their role as an algebraic foundation for fuzzy set theory. By relaxing the key Boolean axioms of distributivity and complementation, Pre A∗‐algebras provide a robust algebraic structure for reasoning with uncertainty.
Gebregziabiher Girum Gebreset, Jonnalagadda Venkateswara Rao, Habtu Alemayehu Atsbaha, Maria A. Lledo   +3 more
wiley   +1 more source

φ−Hilfer Fractional Cauchy Problems with Almost Sectorial and Lie Bracket Operators in Banach Algebras

Fractal and Fractional
In the theory of Banach algebras, we use the Schauder fixed-point theorem to obtain some results that concern the existence property for mild solutions of fractional Cauchy problems that involve the Lie bracket operator, the almost sectorial operator ...
Faten H. Damag, Amin Saif, Adem Kiliçman   +2 more
doaj   +1 more source

Commutative nilpotent transformation semigroups

, 2023
Cameron, et al. determined the maximum size of a null subsemigroup of the full transformation semigroup $\mathcal{T}(X)$ on a finite set $X$ and provided a description of the null semigroups that achieve that size.
Paulista, Tânia, Malheiro, António, Cain, Alan J.   +2 more
core