Results 21 to 30 of about 70 (67)

ON FUNDAMENTAL OPERATIONS FOR MULTIMODULAR FUNCTIONS

Journal of the Operations Research Society of Japan, 2019
12 ...
Moriguchi, Satoko, Murota, Kazuo
openaire   +3 more sources

Abstractions of sequences, functions and operators

International Journal on Software Tools for Technology Transfer
Abstract We present theoretical and practical results on the order theory of lattices of functions, focusing on Galois connections that abstract (sets of) functions – a topic known as higher-order abstract interpretation .
Rustenholz, Louis, López García, Pedro, Hermenegildo, Manuel V.   +2 more
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Operators on function spaces [PDF]

Bulletin of the American Mathematical Society, 1972
Brooks, James K., Lewis, Paul W.
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Functions which operate on characteristic functions [PDF]

Pacific Journal of Mathematics, 1965
Konheim, Alan G., Weiss, Benjamin
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Operators and inner functions [PDF]

Pacific Journal of Mathematics, 1967
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ON THE OPERATIONAL CALCULUS WITH DIFFERENTIABLE FUNCTIONS [PDF]

Proceedings of the National Academy of Sciences, 1958
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Operator Hypergeometric Functions

Journal of Mathematical Sciences, 2023
The paper deals with differential equations \[ Du=Au\tag{1} \] with a differential operator \(D\) and unbounded operator coefficients \(A\). If the case when the Cauchy problem for equation (1) is uniformly well-posed then its solution can be represented via transformation operator.
openaire   +1 more source

Classes of Operator-Smooth Functions - II. Operator-Differentiable Functions

Integral Equations and Operator Theory, 2004
The paper continues a study of operator-smooth functions of a real variable started in [Proc. Edinb. Math. Soc., II. Ser. 48, 151--173 (2005; Zbl 1065.47010)] and deals with the spaces of Gâteaux and Fréchet operator differentiable functions. The authors introduce the notion of Gâteaux and Fréchet \(J\)-differentiable functions for symmetrically normed
Kissin, E., Shulman, V. S.
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The Legendre operator function

Izvestiya: Mathematics, 2001
The paper considers the abstract Cauchy problem (ACO) \[ L_k u(t) \equiv u''(t)+ \gamma k\text{\,coth\,}\gamma t\,u'(t)+ (\gamma k/2)^2 u(t)= Au(t),\quad t> 0,\quad u(0) = u_0,\quad u'(0)= 0, \] where \(k> 0\), \(\gamma> 0\) and \(A\) is a closed linear operator with a dense domain \(D(A)\) in a Banach space \(E\).
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Operator Hölder–Zygmund Functions

Advances in Mathematics, 2010
It is well known that a Lipschitz function on the real line does not have to be operator Lipschitz. We show that the situation changes dramatically if we pass to Hölder classes. Namely, we prove that if $f$ belongs to the Hölder class $Ł_\a(\R)$ with $00$.
Aleksandrov, A.B., Peller, V.V.
exaly   +4 more sources