2 papers
math.OC2026
CHAP: A Hybrid GPU-CPU Heuristic for MIP
Gennesaret Kharistio Tjusila, Alexander Hoen, Nils-Christian Kempke +5
We present CHAP (Coordinating Heuristics Across Platforms) a GPU-CPU-hybrid primal heuristic framework for mixed-integer programming. CHAP adopts a portfolio approach where it coor…
math.OC2026
Out-of-the-Box Global Optimization for Packing Problems: New Models and Improved Solutions
Timo Berthold, Dominik Kamp, Gioni Mexi +2
Recent LLM-driven discoveries have renewed interest in geometric packing problems. In this paper, we study several classes of such packing problems through the lens of modern globa…