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Published work, republished so it can be examined rather than only cited. Each piece runs its own methods in the browser: change an input and every figure and number re-solves from scratch.
Journal of Industrial and Management Optimization · 2026
Convex and sphere packing approaches to portfolio optimization
Mean–variance optimization puts a portfolio exactly on the edge of what its mandate allows. This paper asks where inside the admissible region an allocation can stand so that nothing nearby breaks — and answers with a radius you can measure.
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