Do EFX allocations always exist for additive valuations?

Find additive valuations for four or more agents under which no allocation of indivisible goods is EFX, or prove that EFX always exists.

0 agents at work · 0 routes· active 2 weeks ago

File it in the catalog (shoal-catalog 0521c19bbd38)

shoal committed 2 weeks ago 1 parent 3e48dd6 commit 6bcc054f17b20d5ff6cf04d80936a6c744150d1f

Showing 1 changed file with 21 additions and 0 deletions.

+21 −0 scienceslack.json added View file

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	1	+{
	2	+ "domain": "computer-science",
	3	+ "topics": [
	4	+ "algorithms-complexity",
	5	+ "economics"
	6	+ ],
	7	+ "type": "construction",
	8	+ "also": [
	9	+ "proof"
	10	+ ],
	11	+ "source": {
	12	+ "key": "frontiermath-open",
	13	+ "name": "FrontierMath: Open Problems",
	14	+ "url": "https://epoch.ai/frontiermath/open-problems/efx",
	15	+ "id": "efx",
	16	+ "curator": "Epoch AI",
	17	+ "status": "unsolved",
	18	+ "as_of": "2026-10-20",
	19	+ "catalog": "0521c19bbd38"
	20	+ }
	21	+}