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Second-order optimality conditions of the bilevel programming problems are dependent on the second-order directional derivatives of the value functions or the solution mappings of the lower level problems under some regular conditions,…

Optimization and Control · Mathematics 2023-07-24 Xiang Liu , Mengwei Xu , Liwei Zhang

In dissipative ordinary differential equation systems different time scales cause anisotropic phase volume contraction along solution trajectories. Model reduction methods exploit this for simplifying chemical kinetics via a time scale…

Dynamical Systems · Mathematics 2011-01-13 Dirk Lebiedz , Volkmar Reinhardt , Jochen Siehr

We consider vector and set optimization problems with respect to variable domination structures given by set-valued mappings acting between the preimage space and the image space of the objective mapping, as well as by set-valued mappings…

Optimization and Control · Mathematics 2025-03-11 Marius Durea , Christian Günther , Radu Strugariu , Christiane Tammer

In this paper, we present some new necessary and sufficient optimality conditions in terms of the Clarke subdifferentials for approximate Pareto solutions of a nonsmooth vector optimization problem which has an infinite number of…

Optimization and Control · Mathematics 2019-05-14 Ta Quang Son , Nguyen Van Tuyen , Ching-Feng Wen

We study a multiobjective variational problem on time scales. For this problem, necessary and sufficient conditions for weak local Pareto optimality are given. We also prove a necessary optimality condition for the isoperimetric problem…

Optimization and Control · Mathematics 2009-09-18 Agnieszka B. Malinowska , Delfim F. M. Torres

Orthogonality constraints naturally appear in many machine learning problems, from principal component analysis to robust neural network training. They are usually solved using Riemannian optimization algorithms, which minimize the…

Machine Learning · Statistics 2025-08-08 Pierre Ablin , Simon Vary , Bin Gao , P. -A. Absil

We study the local geometry of the space of horizontal curves with endpoints freely varying in two given submanifolds $\mathcal P$ and $\mathcal Q$ of a manifold $\mathcal M$ endowed with a distribution $\mathcal D\subset T\M$. We give a…

Differential Geometry · Mathematics 2007-05-23 Paolo Piccione , Daniel V. Tausk

The satisfiability problem in real closed fields is decidable. In the context of satisfiability modulo theories, the problem restricted to conjunctive sets of literals, that is, sets of polynomial constraints, is of particular importance.…

Logic in Computer Science · Computer Science 2015-11-05 Maximilian Jaroschek , Pablo Federico Dobal , Pascal Fontaine

In this work, we analyze two of the most fundamental algorithms in geodesically convex optimization: Riemannian gradient descent and (possibly inexact) Riemannian proximal point. We quantify their rates of convergence and produce different…

Optimization and Control · Mathematics 2024-03-18 David Martínez-Rubio , Christophe Roux , Sebastian Pokutta

In this paper we derive necessary optimality conditions for optimal control problems with nonlinear and nonsmooth implicit control systems. Implicit control systems have wide applications including differential algebraic equations (DAEs).…

Optimization and Control · Mathematics 2017-09-06 An Li , Jane J. Ye

We identify a new sufficient condition for the finite convergence of moment relaxations of polynomial optimization problems with correlative sparsity. This condition, which follows from a solution to a correlatively sparse version of the…

Optimization and Control · Mathematics 2025-11-21 Giovanni Fantuzzi , Federico Fuentes

We provide new general methods in the calculus of variations for the anisotropic Plateau problem in arbitrary dimension and codimension. A new direct proof of Almgren's 1968 existence result is presented; namely, we produce from a class of…

Analysis of PDEs · Mathematics 2017-01-25 Jenny Harrison , Harrison Pugh

Whereas in a coordinate-dependent setting the Euler-Lagrange equations establish necessary conditions for solving variational problems in which both the integrands of functionals and the resulting paths are assumed to be sufficiently…

Optimization and Control · Mathematics 2022-11-15 Gregory S. Chirikjian

This paper presents a perturbation analysis framework for nonsmooth optimization on connected Riemannian manifolds to bridge the gap between the rapid development of algorithmic approaches and a robust theoretical foundation. Using…

Optimization and Control · Mathematics 2025-10-01 Yuexin Zhou , Chao Ding , Yangjing Zhang

We consider Riemannian optimization problems with inequality and equality constraints and analyze a class of Riemannian interior point methods for solving them. The algorithm of interest consists of outer and inner iterations. We show that,…

Optimization and Control · Mathematics 2026-05-12 Mitsuaki Obara , Takayuki Okuno , Akiko Takeda

We are to establish necessary conditions (of the primal and dual types) for the set of weak sharp minima of a nonconvex optimization problem on a Riemannian manifold. Here, we are to provide a generalization of some characterizations of…

Optimization and Control · Mathematics 2019-03-21 M. Mahdi Karkhaneei , Nezam Mahdavi-Amiri

This paper deals with necessary and sufficient conditions for weak and strong minimizers of functionals $\Phi(u)=\int_a^b f(x,u(x),u'(x))\,dx$, where $u\in C^1([a,b],{\mathbb R}^N)$. We first derive conditions which are simpler than the…

Classical Analysis and ODEs · Mathematics 2024-01-24 Pavol Quittner

The paper is devoted to an analysis of a new constraint qualification and a derivation of the strongest existing optimality conditions for nonsmooth mathematical programming problems with equality and inequality constraints in terms of…

Optimization and Control · Mathematics 2020-11-19 M. V. Dolgopolik

Second-order optimality conditions are essential for nonsmooth optimization, where both the objective and constraint functions are Lipschitz continuous and second-order directionally differentiable. This paper provides no-gap second-order…

Optimization and Control · Mathematics 2025-11-05 Xiang Liu , Mengwei Xu , Liwei Zhang

The notion of strictly outward minimising hull is investigated for open sets of finite perimeter sitting inside a complete noncompact Riemannian manifold. Under natural geometric assumptions on the ambient manifold, the strictly outward…

Differential Geometry · Mathematics 2021-03-05 Mattia Fogagnolo , Lorenzo Mazzieri