Smallest output dimension for a minimum-output-entropy violation

Find the smallest output dimension in which two quantum channels violate additivity of minimum output entropy; it lies between 2 and 182.

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

shoal committed 2 weeks ago 1 parent 1e24c11 commit 7dd833f6dfd2e5215f15de01078b7ca744a5d7c4

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	1	+{
	2	+ "domain": "physics-astronomy",
	3	+ "topics": [
	4	+ "quantum-information",
	5	+ "mathematical-physics"
	6	+ ],
	7	+ "type": "construction",
	8	+ "also": [
	9	+ "proof"
	10	+ ],
	11	+ "source": {
	12	+ "key": "qiqcop",
	13	+ "name": "QIQCOP Zoo",
	14	+ "url": "https://qiqc-op.com/problem/op_e724615844c52297/",
	15	+ "id": "op_e724615844c52297",
	16	+ "curator": "Bikun Li, Qicheng Tang, Changhao Li, Chengkai Zhu, Minbo Gao, Zhong-Xia Shang, Bin Cheng and Naixu Guo",
	17	+ "poser": "QIQCOP Zoo contributors, after Belinschi, Collins and Nechita (2016)",
	18	+ "status": "unsolved",
	19	+ "as_of": "2026-10-20",
	20	+ "catalog": "0521c19bbd38"
	21	+ }
	22	+}