Interesting Esoterica

What did Ryser Conjecture?

Article by Darcy Best and Ian M. Wanless
  • Published in 2018
  • Added on
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Two prominent conjectures by Herbert J. Ryser have been falsely attributed to a somewhat obscure conference proceedings that he wrote in German. Here we provide a translation of that paper and try to correct the historical record at least as far as what was conjectured in it. The two conjectures relate to transversals in Latin squares of odd order and to the relationship between the covering number and the matching number of multipartite hypergraphs.

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key
WhatdidRyserConjecture
type
article
date_added
2018-01-10
date_published
2018-01-22

BibTeX entry

@article{WhatdidRyserConjecture,
	key = {WhatdidRyserConjecture},
	type = {article},
	title = {What did Ryser Conjecture?},
	author = {Darcy Best and Ian M. Wanless},
	abstract = {Two prominent conjectures by Herbert J. Ryser have been falsely attributed to
a somewhat obscure conference proceedings that he wrote in German. Here we
provide a translation of that paper and try to correct the historical record at
least as far as what was conjectured in it. The two conjectures relate to
transversals in Latin squares of odd order and to the relationship between the
covering number and the matching number of multipartite hypergraphs.},
	comment = {},
	date_added = {2018-01-10},
	date_published = {2018-01-22},
	urls = {http://arxiv.org/abs/1801.02893v1,http://arxiv.org/pdf/1801.02893v1},
	collections = {History,Drama!},
	url = {http://arxiv.org/abs/1801.02893v1 http://arxiv.org/pdf/1801.02893v1},
	year = 2018,
	urldate = {2018-01-10},
	archivePrefix = {arXiv},
	eprint = {1801.02893},
	primaryClass = {math.CO}
}