Iterative solution of nonlinear equations in several variables
Iterative solution of nonlinear equations in several variables
Existence of generalized equilibria
Nonlinear Analysis: Theory, Methods & Applications
Constraint nondegeneracy in variational analysis
Mathematics of Operations Research
Nonlinear Optimization in Finite Dimensions - Morse Theory, Chebyshev Approximation, Transversality, Flows, Parametric Aspects (Nonconvex Optimization and its Applications Volume 47)
Equilibrium of heterogeneous congestion control: existence and uniqueness
IEEE/ACM Transactions on Networking (TON)
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This paper presents an extension of the Poincaré-Hopf theorem to generalized critical points of a function on a compact region with nonsmooth boundary, M, defined by a finite number of smooth inequality constraints. Given a function F: M → Rn, we define the generalized critical points of F over M, define the index for the critical point, and show that the sum of the indices of the critical points is equal to the Euler characteristic of M. We use the generalized Poincaré-Hopf theorem to present sufficient (local) conditions for the uniqueness of solutions to finite-dimensional variational inequalities and the uniqueness of stationary points in nonconvex optimization problems.