Results 21 to 30 of about 137,177 (285)

ON SPECTRAL BOUNDEDNESS [PDF]

open access: yesJournal of the Korean Mathematical Society, 2003
Motivated by a result of \textit{R. E. Curto} and \textit{M. Mathieu} [Proc. Am. Math. Soc. 123, 2431--2434 (1995; Zbl 0822.47034)], the author investigates spectrally bounded and spectrally infinitesimal generalized inner derivations.
openaire   +2 more sources

Crystalline boundedness principle [PDF]

open access: yes, 2005
We prove that an $F$-crystal $(M,\vph)$ over an algebraically closed field $k$ of characteristic $p>0$ is determined by $(M,\vph)$ mod $p^n$, where $n\ge 1$ depends only on the rank of $M$ and on the greatest Hodge slope of $(M,\vph)$.
Vasiu, Adrian
core   +4 more sources

Impulsive Fractional-Like Differential Equations: Practical Stability and Boundedness with Respect to h-Manifolds

open access: yesFractal and Fractional, 2019
In this paper, an impulsive fractional-like system of differential equations is introduced. The notions of practical stability and boundedness with respect to h-manifolds for fractional-like differential equations are generalized to the impulsive case ...
Gani Stamov   +2 more
doaj   +1 more source

On the Riesz potential and its commutators on generalized Orlicz-Morrey spaces [PDF]

open access: yes, 2013
We consider generalized Orlicz-Morrey spaces $M_{\Phi,\varphi}(\Rn)$ including their weak versions $WM_{\Phi,\varphi}(\Rn)$. In these spaces we prove the boundedness of the Riesz potential from $M_{\Phi,\varphi_1}(\Rn)$ to $M_{\Psi,\varphi_2}(\Rn)$ and ...
Deringoz, Fatih, Guliyev, Vagif S.
core   +3 more sources

Generalized Halanay Inequalities and Relative Application to Time-Delay Dynamical Systems

open access: yesMathematics, 2023
A class of generalized Halanay inequalities is studied via the Banach fixed point method and comparison principle. The conditions to ensure the boundedness and stability of the zero solution are obtained in this study.
Chunsheng Wang   +5 more
doaj   +1 more source

Dense-Timed Petri Nets: Checking Zenoness, Token liveness and Boundedness [PDF]

open access: yes, 2007
We consider Dense-Timed Petri Nets (TPN), an extension of Petri nets in which each token is equipped with a real-valued clock and where the semantics is lazy (i.e., enabled transitions need not fire; time can pass and disable transitions).
Colin Stirling   +3 more
core   +3 more sources

Substitution and χ -boundedness

open access: yesJournal of Combinatorial Theory, Series B, 2013
A class $\mathcal{G}$ of graphs is said to be {\em $\chi$-bounded} if there is a function $f:\mathbb{N} \rightarrow \mathbb{R}$ such that for all $G \in \mathcal{G}$ and all induced subgraphs $H$ of $G$, $\chi(H) \leq f(\omega(H))$. In this paper, we show that if $\mathcal{G}$ is a $\chi$-bounded class, then so is the closure of $\mathcal{G}$ under any
Chudnovsky, Maria   +3 more
openaire   +2 more sources

The $\ell^s$-boundedness of a family of integral operators on UMD Banach function spaces

open access: yes, 2018
We prove the $\ell^s$-boundedness of a family of integral operators with an operator-valued kernel on UMD Banach function spaces. This generalizes and simplifies earlier work by Gallarati, Veraar and the author, where the $\ell^s$-boundedness of this ...
A Amenta   +27 more
core   +1 more source

BOUNDEDNESS AND EXISTENCE ANALYSIS SOLUTION OF AN OPTIMAL CONTROL PROBLEMS ON MATHEMATICAL COVID-19 MODEL

open access: yesBarekeng
The investigation given right here is part of a literature review on mathematical models that apply analytical mathematics. The present work focuses on the COVID-19 model, which incorporates optimum control variables previously investigated and ...
Lukman Hakim, Lilis Widayanti
doaj   +1 more source

The boundedness of Bessel-Riesz operators on generalized Morrey spaces [PDF]

open access: yes, 2016
In this paper, we prove the boundedness of Bessel-Riesz operators on generalized Morrey spaces. The proof uses the usual dyadic decomposition, a Hedberg-type inequality for the operators, and the boundedness of Hardy-Littlewood maximal operator.
Eridani, Gunawan, H., Idris, M.
core   +2 more sources

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