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math.OC2019★ 1 cited
Topology of Pareto sets of strongly convex problems
Naoki Hamada, Kenta Hayano, Shunsuke Ichiki +2
A multiobjective optimization problem is simplicial if the Pareto set and front are homeomorphic to a simplex and, under the homeomorphisms, each face of the simplex corresponds to…
math.GT2019★ 1 cited
Unchaining surgery and topology of symplectic 4-manifolds
R. Inanc Baykur, Kenta Hayano, Naoyuki Monden
We study a symplectic surgery operation we call unchaining, which effectively reduces the second Betti number and the symplectic Kodaira dimension at the same time. Using unchainin…