Results 61 to 70 of about 56,839 (210)

The flat cover conjecture for monoid acts

Journal of the London Mathematical Society, Volume 112, Issue 6, December 2025.
Abstract We prove that the Flat Cover Conjecture holds for the category of (right) acts over any right‐reversible monoid S$S$, provided that the flat S$S$‐acts are closed under stable Rees extensions. The argument shows that the class F$\mathcal {F}$‐Mono (S$S$‐act monomorphisms with flat Rees quotient) is cofibrantly generated in such categories ...
Sean Cox
wiley   +1 more source

Prescribed‐Time Disturbance‐Observing Chainlike Filtering Approach to Double‐Sided Event‐Driven Formation Tracking of Underactuated Underwater Vehicles With Kinematic and Kinetic Disturbances

International Journal of Robust and Nonlinear Control, Volume 35, Issue 16, Page 6752-6769, 10 November 2025.
ABSTRACT This paper investigates the distributed prescribed‐time formation tracking problem for uncertain multiple six‐degree‐of‐freedom underactuated underwater vehicles operating in dynamic state and input‐triggered environments. A critical challenge lies in addressing the nondifferentiability of event‐triggered state variables during recursive ...
Hyeong Jin Kim, Sung Jin Yoo
wiley   +1 more source

Interpretation of HIGGS and SUSY searches in MSUGRA and GMSB models [PDF]

, 1999
HIGGS and SUSY searches performed by the ALEPH Experiment at LEP are interpreted in the framework of two constrained R-parity conserving models: Minimal Supergravity and minimal Gauge Mediated Supersymmetry Breaking.Comment: 8 ...
de VIVIE, Jean-Baptiste
core   +1 more source

A Universal Continuum of Weight aleph

, 2000
We prove that every continuum of weight aleph_1 is a continuous image of the Cech-Stone-remainder R^* of the real line. It follows that under CH the remainder of the half line [0,infty) is universal among the continua of weight c --- universal in the ...
Dow, Alan, Hart, Klaas Pieter
core   +2 more sources

Uso de softwares para o gerenciamento de bibliotecas: um estudo de caso da migração do sistema Aleph para o sistema Pergamum na Universidade de Santa Cruz do Sul

Ciência da Informação, 2006
Apresenta um dos primeiros processos de migração ocorrido entre os principais softwares pagos disponíveis atualmente no mercado brasileiro. Estão descritas as etapas da conversão do sistema Aleph para o sistema Pergamum, bem como as principais ...
Fabiano Couto Corrêa da Silva, Betanêa Favaretto   +1 more
doaj  

A Note on the Existence and Optimal Control of Atangana–Baleanu Fractional Stochastic Integrodifferential System With Noninstantaneous Impulses

Optimal Control Applications and Methods, Volume 46, Issue 6, Page 2595-2611, November/December 2025.
Optimal Control of AB Caputo Fractional Stochastic Integrodifferential Control System with Noninstantaneous Impulses. ABSTRACT This study is concerned with the existence of mild solution and optimal control for the Atangana–Baleanu fractional stochastic integrodifferential system with noninstantaneous impulses in Hilbert spaces. We verify the existence
Murugesan Johnson, Velusamy Vijayakumar, Kiwoon Kwon   +2 more
wiley   +1 more source

The 30 GeV dimuon excess at ALEPH [PDF]

, 2017
A simple variation of a two-Higgs-doublet model is proposed to describe the 30 GeV dimuon excess reported by Heister in his reanalysis of Z → ¯bb events in ALEPH data taken in 1992-95.
Lane, Kenneth, Pritchett, Lukas
core   +1 more source

Optimal Control Strategies and Continuous Dependence for Stochastic Hilfer Fractional Systems With Delay: A Volterra‐Fredholm Integro‐Differential Approach

Optimal Control Applications and Methods, Volume 46, Issue 6, Page 2708-2726, November/December 2025.
The graphical abstract highlights our research on Sobolev Hilfer fractional Volterra‐Fredholm integro‐differential (SHFVFI) control problems for 1<ϱ<2$$ 1<\varrho <2 $$. We begin with the Hilfer fractional derivative (HFD) of order (1,2) in Sobolev type, which leads to Volterra‐Fredholm integro‐differential equations.
Marimuthu Mohan Raja, V. Vijayakumar, Chun‐Wei Tsai, Kalyana Chakravarthy Veluvolu   +3 more
wiley   +1 more source

Search for charged Higgs bosons in e+e- collisions at energies up to sqrt(s) = 209GeV [PDF]

A search for charged Higgs bosons produced in pairs is performed with data collected at centre-of-mass energies ranging from 189 to 209 GeV by ALEPH at LEP, corresponding to a total luminosity of 629 invpb.
Collaboration, ALEPH
core  

Muskat–Leverett Two‐Phase Flow in Thin Cylindric Porous Media: Asymptotic Approach

Studies in Applied Mathematics, Volume 155, Issue 5, November 2025.
ABSTRACT A reduced‐dimensional asymptotic modeling approach is presented for the analysis of two‐phase flow in a thin cylinder with an aperture of order O(ε)$\mathcal {O}(\varepsilon)$, where ε$\varepsilon$ is a small positive parameter. We consider a nonlinear Muskat–Leverett two‐phase flow model expressed in terms of a fractional flow formulation and
Taras Mel'nyk, Christian Rohde
wiley   +1 more source