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8:23 AM

Y. Sergeyev developed a positional system for representing infinite numbers using a basic unit called a "grossone", as well as what he calls an "infinity computer". The mathematical value of this seems dubious but numerous articles have already appeared in refereed research journals. Thus, ther...

I have flagged this post for moderator intervention; as someone who uses MO for genuine mathematical research, seeing what is essentially a blog post about pseudomathematics forced to the front page by repeated unsubstantial edits , when it has had an accepted answer for 8 years, I think it is time for the mods to lock this post to ‘protect it’ from further edits. — Alec Rhea Dec 4 at 19:49

@AlecRhea, your flagging is predicated on your assumption that grossone is "pseudomathematics" (and I am certainly on record as agreeing with you), but two popular answers (by Lolli and Moskovich) argue otherwise (Moskovich even claims that grossone was "well received"). Furthermore, many MO questions have had accepted answers for years and remain open. — Mikhail Katz Dec 5 at 11:01

The post is now locked: mathoverflow.net/posts/226277/revisions I wonder whether I would agree with the commenter whether the edits were unsubstantial.

Looking at this SEDE query, most of the edits seem to come from the OP. (SEDE is only updated once a week - so the most recent ones are not shown there.)

Actually, I notice this post because I was thinking about changing http to https in some of the answers (for arXiv, Wikipedia) - considering that the post has been bumped anyway.

Martin Sleziak

8:55 AM

specific-question While removing thesis (as suggested here) I got to this question: Existence parallel vector fields and its effect on the topology of manifolds (Karp's Thesis). I replaced thesis with paper-request - of course, if you have some better choice of tags for that question, do not hesitate to edit.

Q: Existence parallel vector fields and its effect on the topology of manifolds (Karp's Thesis)

It seems that there is no digital copy of Leon Karp's Ph.D. thesis L. Karp, Vector fields on manifolds, Thesis, New York Univ., 1976. on internet and his paper excerpted from his thesis is very brief and without any detailed proof. (I wonder that peers read the thesis or they trust to the advisor...

dg.differential-geometry riemannian-geometry differential-topology vector-bundles paper-request

Martin Sleziak

9:37 AM

Oct 26 at 5:39, by Martin Sleziak

new-tag meta I have created a new tag called saves. We'll see whether other users agree - or whether they should be removed. This is a new (and substantially improved) version of the feature that was previously called bookmarks.

I will add that I have suggested at least a basic tag-excerpt and tag-wiki for saves. (Some correction I have added later is still pending.)

7 hours later…

The Amplitwist

5:04 PM

A big-list thread that was recently bumped by an edit, specifically to this answer:

A: Books you would like to read (if somebody would just write them...)

I would like to read a comprehensive, step-by-step introduction to the Langlands Programme written for non-experts. An Introduction to the Langlands Program (edited by Joseph Bernstein and Stephen Gelbart) is good, but it is a collection of articles, not a textbook or monograph. Stephen Gelbart's "...

Perhaps a good occasion to watch out for small improvements that can be made.

2 hours later…

Martin Sleziak

6:35 PM

Q: Set theory and alternative foundations

Every foundational system for mathematics I have ever read about has been a set theory, from ETCS to ZFC to NF. Are there any proposals for a foundational system which is not, in any sense, a set theory? Is there any alternative foundation which is not a set-theory?