Results 71 to 80 of about 532 (159)

The preservation of the property of the quasiconvexity of higher order by Bernstein's operators

open access: yesJournal of Numerical Analysis and Approximation Theory, 1996
Not available.
Radu Păltănea
doaj   +2 more sources

Comparative Statics With Adjustment Costs and the Le Chatelier Principle

open access: yesEconometrica, Volume 93, Issue 2, Page 661-694, March 2025.
We develop a theory of monotone comparative statics for models with adjustment costs. We show that comparative‐statics conclusions may be drawn under the usual ordinal complementarity assumptions on the objective function, assuming very little about costs: only a mild monotonicity condition is required.
Eddie Dekel   +2 more
wiley   +1 more source

QUASICONVEXITY AT THE BOUNDARY AND THE NUCLEATION OF AUSTENITE

open access: yes, 2016
. Motivated by experimental observations of H. Seiner et al., we study the nucleation of austenite in a single crystal of a CuAlNi shape-memory alloy stabilized as a single variant of martensite.
J M Ball (16079657)   +5 more
core   +1 more source

Certain Novel p,q‐Fractional Integral Inequalities of Grüss and Chebyshev‐Type on Finite Intervals

open access: yesJournal of Mathematics, Volume 2025, Issue 1, 2025.
In this article, we investigate certain novel Grüss and Chebyshev‐type integral inequalities via fractional p,q‐calculus on finite intervals. Then, some new Pólya–Szegö–type p,q‐fractional integral inequalities are also presented. The main findings of this article can be seen as the generalizations and extensions of a large number of existing results ...
Xiaohong Zuo   +2 more
wiley   +1 more source

Does Rank-One Convexity Imply Quasiconvexity?

open access: yes, 1986
Ball, J.M.. (1986). Does Rank-One Convexity Imply Quasiconvexity?.
Ball, J.M.
core  

New Size x Curvature Conditions for Strict Quasiconvexity of Sets

open access: yes, 1991
Given a closed, not necessarily convex set D of a Hilbert space, the problem of the existence of a neighborhood $\mathcal{V}$ on which the projection on D is uniquely defined and Lipschitz continuous is considered, and such that the corresponding ...
Chavent, Guy
core   +1 more source

Quasiconvexity equals rank-one convexity for isotropic sets of 2x2 matrices [PDF]

open access: yes, 2011
Let K be a given compact set of real 2x2 matrices that is isotropic, meaning invariant under the left and right action of the special orthogonal group. Then we show that the quasiconvex hull of K coincides with the rank-one convex hull (and even with the
Heinz, Sebastian
core   +1 more source

An isoperimetric estimate and W1, p-quasiconvexity in nonlinear elasticity

open access: yes, 1998
Muller, Stefan; Sivaloganathan, Jeyabal; Spector, Scott J.. (1998). An isoperimetric estimate and W1, p-quasiconvexity in nonlinear elasticity.
Spector, Scott J.   +2 more
core  

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