Search Results - "Seidman, Thomas I."

Normal cones to infinite intersections by Seidman, Thomas I.

“…For sets given as finite intersections A = ⋂ k = 1 K A k the basic normal cone N ( x ̄ ; A ) is given as ∑ k N ( x ̄ ; A k ) , but such a result is not, in…”
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How violent are fast controls, III by Seidman, Thomas I.

“…For (coupled systems of) partial differential equations for which nullcontrol is possible in arbitrarily short time, the ‘standard’ blowup rate for the control…”
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Modeling and Analysis of Modal Switching in Networked Transport Systems by Hante, Falk M., Leugering, Günter, Seidman, Thomas I.

“…We consider networked transport systems defined on directed graphs: the dynamics on the edges correspond to solutions of transport equations with space…”
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A variational characterization of a hyperelastic rod with hard self-contact by Hoffman, Kathleen A., Seidman, Thomas I.

“…We consider an elastic rod, modeled as a curve in space with an impenetrable surrounding tube of radius  ρ , subject to a general class of boundary conditions…”
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A convection/reaction/switching system by Seidman, Thomas I.

“…We consider a spatially distributed hybrid system consisting of a convection/reaction system in which the reaction switches discontinuously in time between…”
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A Variational Rod Model with a Singular Nonlocal Potential by Hoffman, Kathleen A., Seidman, Thomas I.

“…The classical theory of elastic rods does not account for the possibility that large deformations may involve distinct points along the rod occupying the same…”
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Obstacle problems and isotonicity by Seidman, Thomas I.

“…For variational inequalities of an abstract obstacle type, a comparison principle for the dependence of solutions on the constraint set K is used to provide a…”
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Compactness of a fixpoint set and optimal control by Seidman, Thomas I.

“…Solutions of the dynamic equations in distributed parameter systems are usually obtained as fixpoints of suitable maps, as in Picard iteration. In optimal…”
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Asymmetric games for convolution systems with applications to feedback control of constrained parabolic equations by Mordukhovich, Boris S., Seidman, Thomas I.

“…The paper is devoted to the study of some classes of feedback control problems for linear parabolic equations subject to hard/pointwise constraints on both…”
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AN AUGMENTED BV SETTING FOR FEEDBACK SWITCHING CONTROL by Hante, Falk M., Leugering, Günter, Seidman, Thomas I.

“…This paper considers dynamical systems under feedback with control actions limited to switching. The authors wish to understand the closed-loop systems as…”
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Stability of scheduling policies for processing networks by Seidman, Thomas I, Holloway, Lawrence E., Seidman, Gregory

“…This paper considers the stability of a network of processors executing a set of tasks on orders that arrive either externally or from other processors in the…”
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The spectral radius in partially ordered algebras by Seidman, Thomas I., Schneider, Hans

“…We prove theorems of Perron–Frobenius type for positive elements in partially ordered topological algebras satisfying certain hypotheses. We show how some of…”
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Delay effect in models of population growth by Giang, Dang Vu, Lenbury, Yongwimon, Seidman, Thomas I.

“…First, we systematize earlier results on the global stability of the model x ˙ + μ x = f ( x ( ⋅ − τ ) ) of population growth. Second, we investigate the…”
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The parabolic-hyperbolic system governing the spatial motion of nonlinearly viscoelastic rods by ANTMAN, Stuart S, SEIDMAN, Thomas I

“…This paper treats initial-boundary-value problems governing the motion in space of nonlinearly viscoelastic rods of strain-rate type. It introduces and…”
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Approximation of an Elastic Rod with Self-Contact by Hoffman, Kathleen A, Seidman, Thomas I

“…The variational formulation of an elastic rod with an impenetrable surface surrounding the centerline corresponds to a nonsmooth optimization of cost…”
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Numerical exploration of a system of reaction–diffusion equations with internal and transient layers by Soane, Ana Maria, Gobbert, Matthias K., Seidman, Thomas I.

“…A reaction pathway for a classical two-species reaction is considered with one reaction that is several orders of magnitudes faster than the other. To sustain…”
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Into higher dimensions for nonsmooth dynamical systems by Jeffrey, Mike R., Seidman, Thomas I., Teixeira, Marco A., Utkin, Vadim I.

“…The study of nonsmooth dynamical systems is reaching a turning point. As the theory of bifurcations and chaos in low dimensions appear now to be coming of age,…”
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Comparison theorems using general cones for norms of iteration matrices by Seidman, Thomas I., Schneider, Hans, Arav, Marina

“…We prove comparison theorems for norms of iteration matrices in splittings of matrices in the setting of proper cones in a finite dimensional real space by…”
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Approximation of an Elastic Rod with Self-Contact: Impenetrable Elastic Rod by Hoffman, Kathleen A., Seidman, Thomas I.

“…The variational formulation of an elastic rod with an impenetrable surface surrounding the centerline corresponds to a nonsmooth optimization of cost…”
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Positive Reachability for Diffusion Equations by Seidman, Thomas I.

“…Counterexamples are constructed for some plausible conjectures. Typical of these: as the Maximum Principle ensures that positive boundary data give a positive…”
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