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pro vyhledávání: '"Neal Livesay"'
Autor:
Neal Livesay, Gilbert Jonatan, Evelio Mora, Kaustubh Shivdikar, Rashmi Agrawal, Ajay Joshi, Jose L. Abellan, John Kim, David Kaeli
Publikováno v:
IEEE Micro. :1-9
Publikováno v:
Advances in Mathematics. 408:108596
Over 50 years ago, Rota posted the following celebrated `Research Problem': prove or disprove that the partial order of partitions on an $n$-set (i.e., the refinement order) is Sperner. A counterexample was eventually discovered by Canfield in 1978.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13cd5cf895c225e2bab2e007f712d4b2
http://arxiv.org/abs/1902.08334
http://arxiv.org/abs/1902.08334
Autor:
Richard H. Hammack, Neal Livesay
Publikováno v:
Ars Mathematica Contemporanea. 3:193-199
We define a new graph operation called the k th inner power . The construction—which is somewhat analogous to the k th power with respect to the direct product—seems to lend itself nicely to certain questions concerning cancellation over the dire