Search Results - "Vrkoč, Ivo"

Ninety years of Jaroslav Kurzweil by Jiří Jarník, Pavel Krejčí, Antonín Slavík, Milan Tvrdý, Ivo Vrkoč

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Asymptotic stability of tri-trophic food chains sharing a common resource by Vrkoč, Ivo, Křivan, Vlastimil

“…•Local asymptotic stability of the interior equilibrium of tri-trophic food chains sharing a common resource is proved.•In the case of two tri-trophic food…”
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Comparison of two definitions of lower and upper functions associated to nonlinear second order differential equations by Vrkoč Ivo

“…The notions of lower and upper functions of the second order differential equations take their beginning from the classical work by C. Scorza-Dragoni and have…”
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Limited validity of West and Yennie interference formula for elastic scattering of hadrons by KUNDRAT, Vojtech, LOKAJICEK, Milos, VRKOC, Ivo

“…The proof will be given that the commonly used West and Yennie integral formula for the relative phase of Coulomb and elastic hadronic amplitudes leads to a…”
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On the ambiguity of functions represented by divergent power series by Caprini, Irinel, Fischer, Jan, Vrkoč, Ivo

“…Assuming the asymptotic character of divergent perturbation series, we address the problem of ambiguity of a function determined by an asymptotic power…”
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A Lyapunov function for piecewise-independent differential equations: stability of the ideal free distribution in two patch environments by Krivan, Vlastimil, Vrkoc, Ivo

“…In this article we construct Lyapunov functions for models described by piecewise-continuous and independent differential equations. Because these models are…”
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Integral conditions for nonoscillation of second order nonlinear differential equations by Cecchi, Mariella, Došlá, Zuzana, Marini, Mauro, Vrkoč, Ivo

“…An extension of the Fubini theorem is presented and applied in studying the possible coexistence of nonoscillatory solutions for the differential equation ( r…”
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Existence of Nonnegative and Nonpositive Solutions for Second Order Periodic Boundary Value Problems by Rachůnková, Irena, Tvrdý, Milan, Vrkoč, Ivo

“…We are interested in nonnegative and nonpositive solutions of the boundary value problem u″=f(t, u), u(0)=u(1), u′(0)=u′(1), where f fulfils the Carathéodory…”
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Should “handled” prey be considered? Some consequences for functional response, predator–prey dynamics and optimal foraging theory by Krivan, Vlastimil, Vrkoc, Ivo

“…Predator–prey models consider those prey that are free. They assume that once a prey is captured by a predator it leaves the system. A question arises whether…”
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Summation inequalities and half-linear difference equations by Cecchi, Mariella, Došlá, Zuzana, Marini, Mauro, Vrkoč, Ivo

“…The aim of this paper is to present new summation inequalities and to show that the half-linear difference equation Δ ( a n | Δ x n | α sgn Δ x n ) = b n | x n…”
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On an extension of the Fubini theorem and its applications in ODEs by DOSLA, Zuzana, VRKOC, Ivo

“…The paper deals with the change of integration for integrals ∫ 0 ∞ b(t) ∫ 0 t A(s) ds m dt, ∫ 0 ∞ A(t) ∫ t ∞ b(s) ds 1/m dt, where m>0 and A, b are continuous…”
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Daniel W. Stroock: A Concise Introduction to the Theory of Integration. Third Edition, Birkhäuser, Boston, 1999, xiv+253 pages. ISBN 0-8176-4073-8, price DM 58 by Vrkoc, Ivo

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Stochastic Processes for Bounded Noise by Colombo, Giovanni, Pra, Paolo Dai, Krivan, Vlastimil, Vrkoc, Ivo

“…The scalar differential inclusion x times belongs to f(x) + g(x)u, u belongs to [-1,1] x(0) = x 0 (0.1) is considered as a model of the dynamical system x…”
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Patch Choice under Predation Hazard by Krivan, V, Vrkoc, I

“…In this paper we study optimal animal movement in heterogeneous environments consisting of several food patches in which animals trade-off energy gain versus…”
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On the ambiguity of functions represented by divergent power series: Approximation and Extrapolation of convergent and divergent sequences and series (CIRM, Luminy - France, 2009) by CAPRINI, Irinel, FISCHER, Jan, VRKOC, Ivo

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Asymptotic power series of field correlators by Caprini, Irinel, Fischer, Jan, Vrkoč, Ivo

“…Acta Polytech.50:71,2010 We address the problem of ambiguity of a function determined by an asymptotic perturbation expansion. Using a modified form of the…”
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On the ambiguity of functions represented by divergent power series by Caprini, Irinel, Fischer, Jan, Vrkoč, Ivo

“…Appl.Numer.Math.60:1264,2010 Assuming the asymptotic character of divergent perturbation series, we address the problem of ambiguity of a function determined…”
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On the ambiguity of field correlators represented by asymptotic perturbation expansions by Caprini, Irinel, Fischer, Jan, Vrkoč, Ivo

“…Starting from the divergence pattern of perturbation expansions in Quantum Field Theory and the (assumed) asymptotic character of the series, we address the…”
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Book Review Gabriele A. Losa, Danilo Merlini, Theo F. Nonnenmacher and Ewald R. Weibel, eds.: Fractals in Biology and Medicine, Volume II. Mathematics and Bioscience in Interaction, Birkhäuser, Basel, 1998, ix+369 Pages, ISBN 3-7643-5715-0, price DM 118 by Vrkoc, Ivo

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Book Review: Stochastic Analysis and Related Topics VI. (Eds.: Laurent Decreusefond, Jon Gjerde, Bernt Øksendal, Ali Süleyman Üstünel) The Geilo Workshop, 1996. Progress in Probability 42, Birkhäuser, Boston 1998, xii+409 pages, ISBN 0-8176-4018-5, Price DM 268 by Vrkoc, Ivo

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