Search Results - Calculus of variations AND optimal control; optimization Variational principles of physics~
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Harmonic maps and differential geometry : a harmonic map fest in honour of John C. Wood's 60th birthday, September 7-10, 2009, Cagliari, Italy
ISBN: 0821849875, 9780821849873Published: Providence, R.I American Mathematical Society 2011“…This volume contains the proceedings of a conference held in Cagliari, Italy, from September 7-10, 2009, to celebrate John C. Wood's 60th birthday. These…”
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A positive quasilocal mass for causal variational principles: A positive quasilocal mass for causal variational principles
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.04.2025Published in Calculus of variations and partial differential equations (01.04.2025)“…A new inequality for a nonlinear surface layer integral is proved for minimizers of causal variational principles…”
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Vectorial Variational Principles in L∞ and Their Characterisation Through PDE Systems
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.04.2021Published in Applied mathematics & optimization (01.04.2021)“…We discuss two distinct minimality principles for general supremal first order functionals for maps and characterise them through solvability of associated second order PDE systems…”
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A Hamiltonian formulation of causal variational principles
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2017Published in Calculus of variations and partial differential equations (01.06.2017)“…Causal variational principles, which are the analytic core of the physical theory of causal fermion systems, are found to have an underlying Hamiltonian structure, giving a formulation of the dynamics…”
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Stochastic Maximum Principle for Optimal Control Problem with Varying Terminal Time and Non-convex Control Domain
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.10.2025Published in Applied mathematics & optimization (01.10.2025)“…In this paper, we consider a varying terminal time structure for the stochastic optimal control problem under state constraints, in which the terminal time varies with the mean value of the state…”
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Deterministic Control of SDEs with Stochastic Drift and Multiplicative Noise: A Variational Approach
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.08.2023Published in Applied mathematics & optimization (01.08.2023)“… To do this, we use a combination of deterministic Pontryagin’s maximum principle approach and direct methods of calculus of variations…”
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Elliptic methods for solving the linearized field equations of causal variational principles
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.08.2022Published in Calculus of variations and partial differential equations (01.08.2022)“…The existence theory is developed for solutions of the inhomogeneous linearized field equations for causal variational principles…”
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The Dual Approach to Optimal Control in the Coefficients of Nonlocal Nonlinear Diffusion
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.02.2024Published in Applied mathematics & optimization (01.02.2024)“…) characterizing the nonlocality of the problem. We then focus on the nonlocal analogue of the classical optimal control in the coefficient problem associated with the dual variational principle, which may be interpreted as that of…”
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Optimal sampled-data controls with running inequality state constraints: Pontryagin maximum principle and bouncing trajectory phenomenon
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.02.2022Published in Mathematical programming (01.02.2022)“…In the present paper we derive a Pontryagin maximum principle for general nonlinear optimal sampled-data control problems in the presence of running inequality state constraints…”
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A class of conserved surface layer integrals for causal variational principles
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.02.2019Published in Calculus of variations and partial differential equations (01.02.2019)“…–Lagrange equations of a causal variational principle. Studying families of critical measures of causal variational principles, a class of conserved surface layer…”
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New extremal principles with applications to stochastic and semi-infinite programming
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2021Published in Mathematical programming (01.09.2021)“…This paper develops new extremal principles of variational analysis that are motivated by applications to constrained problems of stochastic programming and semi-infinite programming without…”
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The extremal solution for the fractional Laplacian
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2014Published in Calculus of variations and partial differential equations (01.07.2014)“… s . We also show that, for exponential and power-like nonlinearities, the extremal solution is bounded whenever n < 10 s . In the limit s ↑ 1 , n < 10 is optimal…”
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Noether-like theorems for causal variational principles
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.04.2016Published in Calculus of variations and partial differential equations (01.04.2016)“…The connection between symmetries and conservation laws as made by Noether’s theorem is extended to the context of causal variational principles and causal fermion systems…”
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Relative Pareto minimizers for multiobjective problems: existence and optimality conditions
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.04.2010Published in Mathematical programming (01.04.2010)“… Using advanced tools of variational analysis and generalized differentiation, we establish the existence of relative Pareto minimizers for general multiobjective problems under a refined version…”
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A Stochastic Maximum Principle for General Mean-Field Systems
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.12.2016Published in Applied mathematics & optimization (01.12.2016)“…In this paper we study the optimal control problem for a class of general mean-field stochastic differential equations, in which the coefficients depend, nonlinearly, on both the state process as well as of its…”
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Viscosity Solutions of a Class of Second Order Hamilton–Jacobi–Bellman Equations in the Wasserstein Space
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.02.2025Published in Applied mathematics & optimization (01.02.2025)“… Our approach adopts the smooth metric developed by Bayraktar et al. (Proc Am Math Soc 151(09):4089–4098, 2023) as our gauge function for the purpose of smooth variational principle used in the proof of comparison theorem…”
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Stochastic Maximum Principle for Optimal Liquidation with Control-Dependent Terminal Time
ISSN: 0095-4616, 1432-0606Published: New York Springer US 01.06.2022Published in Applied mathematics & optimization (01.06.2022)“…In this paper we study a general optimal liquidation problem with a control-dependent stopping time which is the first time the stock holding becomes zero or a fixed terminal time, whichever comes first…”
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Existence of minimizers for causal variational principles on compact subsets of momentum space in the homogeneous setting
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.08.2022Published in Calculus of variations and partial differential equations (01.08.2022)“…We prove the existence of minimizers for the causal action in the class of negative definite measures on compact subsets of momentum space in the homogeneous…”
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Towards the theory of strong minimum in calculus of variations and optimal control: a view from variational analysis
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.04.2020Published in Calculus of variations and partial differential equations (01.04.2020)“…The paper offers a self-contained account of the theory of first and second order necessary conditions for optimal control problems…”
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Singular support of minimizers of the causal variational principle on the sphere
ISSN: 0944-2669, 1432-0835Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.12.2019Published in Calculus of variations and partial differential equations (01.12.2019)“…The support of minimizing measures of the causal variational principle on the sphere is analyzed…”
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