Results 71 to 80 of about 3,697 (188)

Submonotone subdifferentials of Lipschitz functions [PDF]

open access: yesTransactions of the American Mathematical Society, 1981
The class of "lowwer- C 1 {C^1} " functions, that is functions which arise by taking the maximum of a compactly indexed family of C 1 {C^1} functions, is characterized in terms of properties of the generalized subdifferential.
openaire   +1 more source

Weakened subdifferentials and Frechet differentiability of real functions [PDF]

open access: yes
Let X be a real Banach space and f : X ! R [ {+1}. It is well known that the Clarke subdifferential @ f(x) of the function f at x 2 int dom f is a singleton if and only if f is strongly differentiable (then @ f(x) = {Dsf(x)}, where Dsf(x) is the strong ...
Ginchev Ivan
core  

Subdifferential Properties of Minimal Time Functions Associated with Set-Valued Mappings with Closed Convex Graphs in Hausdorff Topological Vector Spaces

open access: yesJournal of Function Spaces and Applications, 2013
For a set-valued mapping M defined between two Hausdorff topological vector spaces E and F and with closed convex graph and for a given point (x,y)∈E×F, we study the minimal time function associated with the images of M and a bounded set Ω⊂F defined by ...
Messaoud Bounkhel
doaj   +1 more source

Attractors of asymptotically periodic multivalued dynamical systems governed by time-dependent subdifferentials

open access: yesElectronic Journal of Differential Equations, 2004
We study a nonlinear evolution equation associated with time-dependent subdifferential in a separable Hilbert space. In particular, we consider an asymptotically periodic system, which means that time-dependent terms converge to time-periodic terms as ...
Noriaki Yamazaki
doaj  

Homological differential calculus

open access: yes, 2019
This article provides a definition of a subdifferential for continuous functions based on homological considerations. We show that it satisfies all the requirement for a good notion of subdifferential.
Vichery, Nicolas
core  

Generalized Invariant Monotonicity and Generalized Invexity of Nondifferentiable Functions

open access: yesJournal of Inequalities and Applications, 2009
New concepts of generalized invex functions for non-differentiable functions and generalized invariant monotone operators for set-valued mappings are introduced.
Yang Xinmin, Liu Caiping
doaj  

New duality results for evenly convex optimization problems. [PDF]

open access: yesOptimization, 2021
Fajardo MD, Grad SM, Vidal J.
europepmc   +1 more source

Existence Results for Nonconvex Nonautonomous Differential Inclusions in Hilbert Spaces

open access: yesMathematics
We establish a solvability criterion for nonautonomous time-evolution inclusions governed by the right-hand side without the convexity assumption. In this study, we examine the problem x˙(t)∈F(t,x(t))a.e.onI0:=[0,T0], for some T0>0, where F has a closed ...
Messaoud Bounkhel
doaj   +1 more source

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