Provable Submodular Function Minimization via Fujishige Wolfe Algorithm
Hausdorff Center for Mathematics via YouTube
Overview
Syllabus
Submodular Functions
Submodular Function Minimization Find set A which minimizes f(A)
Theory vs Practice
Is it good in theory?
Base Polytope
Edmond's Theorems for Submod. f
Robust Fujishige's Theorem
Reduction to Convex Optimization
Geometrical preliminaries
Wolfe's algorithm in a nutshell
Checking Optimality
Wolfe's Algorithm: Details
If S is a corral: Major Cycle
Summarizing Wolfe's Algorithm
Two Major Cycles in a Row
Major-minor-Major
Wrapping up
Take home points
Taught by
Hausdorff Center for Mathematics