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Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.

0 votes

Which fields could be applied to neurosciences?

Non-negative Matrix Factorization (cf e.g. http://en.wikipedia.org/wiki/Non-negative_matrix_factorization) plays a role in knowledge representation and extraction.
12 votes
12 answers
4k views

Obscure Names in Mathematics [closed]

I recently stumbled over the "Happy Ending Problem" (cf e.g. http://en.wikipedia.org/wiki/Happy_Ending_problem), which made we wonder, if there are other conjectures, theorems or problems, whose names …
7 votes
2 answers
747 views

How Much Flesh to the Bones does an Initial Online Publication need?

Background of my question is the following: I have found a solution for my question Smoothness Conditions for Planar “Mock-parametric” Spline Interpolation and while developing the solution, I encount …
-1 votes
1 answer
124 views

Typed Values in Formulas

Question: are there any "standard" ways of indicating the meaning of numerical values in formulas, resp. general mathematical texts (theorems, proofs, etc.)? I am especially looking for suggestions …
Manfred Weis's user avatar
  • 13.2k
2 votes
0 answers
47 views

What are Interesting Questions about Families of Graphs?

In my recreational occupation with the TSP I encountered a family of graphs, which I would like to call "Möbius Sponges" because they generalize the Möbius Ladder graphs in a way, that may provide an …
Manfred Weis's user avatar
  • 13.2k
1 vote
0 answers
328 views

First uses of the term "crackpottery" in mathematics [closed]

I first stumbled over the term crackpottery on MO and as I am not a native English speaker, I had first assumed that the meaning were pots for making crack, i.e. the drug of the name crack. Question: …
Manfred Weis's user avatar
  • 13.2k
5 votes
1 answer
379 views

Origins of Axiomatic Reasoning

Is there any evidence that axiomatic reasoning has been used prior to Thales of Milet (624-547BC), who is generally credited for the "invention" of axioms. In this context I understand axioms in the …
Manfred Weis's user avatar
  • 13.2k
4 votes
2 answers
559 views

How to find volunteer reviewers?

I am currently in a little dilemma about publishing a result related to general matching. The dilemma is, that I am not associated to any research institute and thus do not have contact to professiona …
Manfred Weis's user avatar
  • 13.2k
8 votes
1 answer
847 views

Re-typesetting historic math papers

What do I have to take into consideration when re-typesetting mathematical papers that are freely avaible online if the authors are still living if the authors have already passed away as there won' …
Manfred Weis's user avatar
  • 13.2k
-2 votes
2 answers
223 views

Early examples of proof appraisals [closed]

What are the earliest known examples for attributing proofs as 'deep', 'elegant' or 'beautiful' (or their equivalents in other languages)? Gauß for example called one of his results 'remarkable' Theo …
Manfred Weis's user avatar
  • 13.2k
8 votes
1 answer
562 views

Geometric formulation of the subject of machine learning

Question: what is the geometric interpretation of the subject of machine learning and/or deep learning? Being "forced" to have a closer look at the subject, I have the impression that it all boils d …
Manfred Weis's user avatar
  • 13.2k
0 votes
0 answers
185 views

Future of complexity classes in case NP=P

The P=NP question is still unresolved and there is no hope that the situation will ever change. Assume now the hypothetic situation that P=NP had been confirmed: Questions: what will become of the co …
Manfred Weis's user avatar
  • 13.2k
9 votes
2 answers
1k views

Collection of Mathematical Constants

I recently stumbled over the large collection of mathematical constants of Mauro Fiorentini; it is in Italian and appears to be something in the vein of the famous OEIS, however maintained by a single …
Manfred Weis's user avatar
  • 13.2k
13 votes
16 answers
3k views

Oddities of evenness

Being initially a little bit perplexed by the observation that the possibility of calculating vertex potentials $\lbrace\pi_1,\dots,\pi_n\rbrace$ for weighted cycle graphs $C_n,\,2\lt n$ such that the …
7 votes
3 answers
675 views

Examples of complicated parametric Jordan curves

For test purposes I need parametric Jordan curves that are complicated in the sense of having many inflection points and ideally no symmetries. When doing online search I always land at complex analys …
Manfred Weis's user avatar
  • 13.2k

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