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math.FA2026
Characterizations of subdual cones via isotonicity of the norm of the metric projection and via antitonicity of angular distance
S. Z. Németh
Let be a real Hilbert space, let be a closed convex cone, let be its dual closed convex cone, and let denote the metric projection onto . We study…
math.FA2025
About the kernel of the strongly quasiconvex function generated projection
A. B. Németh, S. Z. Németh
This paper explores a natural generalization of Euclidean projection through the lens of strongly quasiconvex functions, as developed in prior works. By establishing a connection b…