Talk:Geometric lattice
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cryptomorphism
[edit]Is it just me, or is this one of the more irritating words that appears in this set of articles? It does nothing at all to aid in the understanding of the concepts, and is just over-used for no apparent reason. Lets be honest: there are vast quantities of things that are hard to understand in mathematics, and calling some small class of them "crypto" does not aid in the understanding. Good lord, the matroids are not more complex anything else ... 203.210.8.131 (talk) 02:08, 30 October 2015 (UTC)
- It is not just you, and I know what a cryptomorphism is. It applies to different definitions of the same structure, that are not obviously equivalent. I don't think this is a cryptomorphism because the structures are not the same. I will fix it. Zaslav (talk) 08:34, 3 August 2022 (UTC)
- In fact this is one of the completely standard examples of matroid cryptomorphisms, for which the term "cryptomorphism" was defined and primarily used; it is included in the "Appendix of Cryptomorphisms" of White's Theory of Matroids. Your insistance that you know the terminology better than what publications actually say, and that only your idiosyncractic terminology can be correct, bites again. —David Eppstein (talk) 16:19, 3 August 2022 (UTC)
- You misunderstood the meaning of "same structure". However, yes, there is a cryptomorphism. Maybe I was wrong. Boiling oil! Drawn and quartered! (Were you there when Rota gave his lectures?) Zaslav (talk) 21:29, 18 July 2023 (UTC)
- In fact this is one of the completely standard examples of matroid cryptomorphisms, for which the term "cryptomorphism" was defined and primarily used; it is included in the "Appendix of Cryptomorphisms" of White's Theory of Matroids. Your insistance that you know the terminology better than what publications actually say, and that only your idiosyncractic terminology can be correct, bites again. —David Eppstein (talk) 16:19, 3 August 2022 (UTC)
Geometric vs. matroid lattice
[edit]This article's distinction is based too closely on one source (Stern). I doubt that it represents the general usage. This needs to be looked into. Zaslav (talk) 21:34, 18 July 2023 (UTC)