20 citations · 41 across the 25 of their papers we have counts for
Showing 2026Show all
3 papers · 1 filter
math.FA2026
Failure of Rockafellar's Sum Conjecture via an Explicit Non-(FPV) Operator
Radu Ioan Bot
Building on a construction of Weifeng Yang, we present a simplified counterexample to Rockafellar's sum conjecture on . The central observation is geometric: the…
math.OC2026
Regularized extragradient method for structured bilevel optimization in continuous and discrete time
Radu Ioan Bot, Enis Chenchene, David Alexander Hulett
In a real Hilbert space, we study a bilevel optimization problem that consists in minimizing an outer convex function over the zero set of a maximally monotone operator. In the smo…
math.OC2026
Variational convexity: new characterizations, calculus rules, and applications
Radu Ioan Bot, Ziyuan Wang
Introduced by R.T. Rockafellar in 2019, variational convexity is a generalized notion of convexity under which stationary points of nonconvex optimization problems can still be gua…