Questions tagged [online-resources]
For questions seeking recommendations for online mathematics resources that are useful at a research level.
105 questions
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Mirror site for the NIST Digital Library of Mathematical Functions (DLMF)
For research I use the NIST Digital Library of Mathematical Functions (https://dlmf.nist.gov/) quite often for looking up basic facts about special functions. At the moment, however, this gives
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Polymath type websites for specialized areas
This question is inspired by the success and more importantly, the democratizing affect of the polymath projects and Mathoverflow. I put the idea in my NSF proposals a few times, but the panels don't ...
3
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Eigenvectors of sum of SO(3) matrices
I asked this question before on MSE but go no answers. It seems that the problem is rather difficult so I thought of trying here. Given two matrices $A,B\in SO(n)$, each describing a rotation by ...
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The Stacks project
I have a question concerning the admirable Stacks Project.
Which comparable projects are there:
approach-wise: "an open source textbook on algebraic stacks and the algebraic geometry that is ...
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ICM 2018 lecture videos
Is there a place to watch ICM 2018 plenary lectures (and other lectures if possible)?
Here is the official Youtube channel of the ICM but they don't seem to be posting the lectures.
https://www....
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Resource request: Moyal $\star$-product based calculations
I already asked two questions about the Moyal $\star$-product here and here but I think I'll have a lot more similar questions, so I'm wondering if anyone can help me with finding some good resources.
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Is it possible to cite a page in n-Lab in a research paper?
One of the concepts I need in my paper is best summarized on the n-Lab page. I tried my best to find a similar description of the same concept in a more "classical" reference, such as a paper or a ...
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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 ...
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Can the Math 2.0 Forum's Closure be prevented? [closed]
Apologies if this is not regarded as suitable for MO, but I have noticed other "soft" questions and feel this deserves some attention by the community, and did not know where else this could be asked.
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LMS Lectures on Geometric Langlands
Everybody knows how insightful are David Ben-Zvi talks (and comments/answers here on mathoverflow). I was trying to watch the LMS 2007 Lecture Series on Geometric Langlands by David, supposedly made ...
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Resources on Elliptic Boundary Value Problems on manifolds
My situation:
I am currently trying to understand Uhlenbecks results on the Yang Mills equation. One of the most common notions in this paper is that of an elliptic system or an elliptic boundary ...
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Examples of (Git) open math (texts) projects
I am an active part of a research project on the positive effects of open math projects on the community. With open math projects I have in mind a particular thing, namely a GIT project on mathematics ...
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Online References for Cartan Geometry
I would like to learn more about Cartan Geometry ("les espaces généralisés de Cartan"). I ordered Rick Sharpe's book "Differential Geometry: Cartan's generalization...", which would take a long time ...
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Web interface for GAP (or other computer algebra system dealing with finite groups)?
GAP is computer algebra system which allows to make calculations with finite groups. (See wikipedia link for an example).
Is there web interface for it ? (I cannot google it.)
Or may be some other ...
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Research Mailing Lists / Usenet groups
For Category theory there is a well known and quite active research mailing list like this one.
Do similar mailing lists or usenet groups exist for other branches of mathematics? For example in metric ...
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What is known about the PDFs for the $\ell^2$-norm of these multivariate distributions?
I'm looking for resources giving the PDFs for the $\ell^2$-norm of various spherically symmetric, continuous multivariate distributions.
For instance, the PDF for the $\ell^2$-norm of a multivariate ...
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Where is Seminaire Bourbaki on-line?
Where is Seminaire Bourbaki on-line?
The reason I ask is that for years it was complicated-enough already to find it in traditional libraries, as it would be catalogued according to its venue or ...
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Is there a database for tracking the dependencies of mathematical theorems?
Given a proof for a result, one could denote the proof as a node on a graph, and then draw arrows to the node from axioms and previous results that the proof uses, and then draw arrows from the node ...
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A centralised website for computational attempts in graph theory and metric geometry?
The set of questions below stems from this question.
1) does a website exist that contains (at least links to) code and data files, with the aim to centralise computational results in graph theory ...
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1
answer
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Best way to find recent papers in a special field of mathematics?
My subjects of interest are Geometry of Banach spaces, renorming theory and fixed point theory. When I want to find recent papers in these fields of mathematics, mostly, I search name of paper, say, ...
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"Database" of simplicial polytopes/spheres
Reading through various papers on polytopes I have come across really interesting examples of simplical polytopes and non-shellable (or non-PL) simplicial spheres but sometimes it is hard to keep ...
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Combinatorial databases
At one point, I remember being excited by seeing the website Encyclopedia of Combinatorial Structures as an extension of Sloane's Online Integer Sequence Database site. Unfortunately, the site (ECS) ...
13
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Are there any organized websites for seminar/conference videos?
These days, there are many conference centers and universities recording seminars and conference talks and make them available on the web. Some examples:
http://www.fields.utoronto.ca/video-archive
...
23
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Which tools can identify scholarly papers that use the same types of equations?
Many types of equations are being used in multiple contexts, so a search for specific formulas might be one way to identify scholarly papers that are conceptually related.
Is any website or tool ...
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Database of non-isomorphic trees
As there are several free prime number databases, is there something similar for non-isomorphic trees?
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A database on Maass forms?
Is there somewhere a database on Maass forms that includes eigenvalues, Taylor coefficients, etc...?
I am mainly interested in classical forms on $\Gamma(1)\backslash H$.
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Where to find digitized old papers on the internet?
Following Murphy's law for the published material:
"The paper you need is too old to be in the arXiv, it is not in any online database which your institution has subscription to, and... it not even in ...
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Online high quality colloquium talks
In my department we're thinking about showing online lectures one day per week at lunch, as sort of a virtual colloquium appropriate to mathematics undergraduates as well as faculty. To start with we'...
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2
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Databases for sequences indexed by partitions
Is there a database for sequences indexed by partitions similar to Sloane's OEIS? I mean, I am aware that in the OEIS there are some arrays indexed by partitions, but I feel as though most of such ...
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Is there a database somewhere for sharing translations of mathematical works?
When doing my language exams for my doctorate, I requested to translate articles relevant to my interests that had not previously been translated, and to be able to do them at home, with the agreement ...
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Where to find Astérisque online?
Is there a place online where one can download papers that have appeared in the Astérisque if "your institution subscribes"? I am especially interested in back issues: Astérisque series published a ...
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Online Number Theory Video?
Are there any graduate level number theory course available on line ? The only video series I am aware of are some MSRI videos, and Ted Chinburg's courses http://www.math.upenn.edu/~ted/noframes.html, ...
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Permission to use Online Notes
I am a new professor in Mathematics and I am running an independent study on Diophantine equations with a student of mine. Online I have found a wealth of very helpful expository notes written by ...
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Video lectures for algebraic geometry
Are there any good video lectures for studying algebraic geometry?
83
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What could be some potentially useful mathematical databases?
This is a soft question but it's not meant as a big-list question. I have recently been asked whether I want to provide feedback at the pre-beta stage on a forthcoming website that will provide a ...
424
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Video lectures of mathematics courses available online for free
It can be difficult to learn mathematics on your own from textbooks, and I often wish universities videotaped their mathematics courses and distributed them for free online. Fortunately, some ...
110
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Are there any good websites for hosting discussions of mathematical papers?
I was wondering if there are any websites out there which
systematically provide space for the discussion of mathematics articles (particularly those on the arXiv, though not necessarily just those),...
13
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5
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Online introduction to Lattice Theory?
Apart from J. B Nation's Notes on Lattice Theory, is there any other (mostly introductory) material on Lattices available online?
NB: The last update of Nation's notes was 2017, as of Feb 2023.
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Is there a list of all connected T_0-spaces with 5 points?
Is there some place (on the internet or elsewhere) where I can find the number and preferably a list of all (isomorphism classes of) finite connected $T_0$-spaces with, say, 5 points?
In know that a $...
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Link Repository of International Dissertations
This question (cry for help?) grew out of Colin Tan's question: does anyone have a copy of schmid’s effective work on hilbert 17th? which was a request for a copy of an Habilitationsschrift.
We've ...
59
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9
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Has anyone thought about creating a formal proof wiki with verifier?
Mathematics has undergone some rather nice developments recently with the adoption of new techologies, things like on-line journals, the arXiv, this website, etc. I imagine there must be many further ...
4
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Knot database including text names
Knots such as the 3_1 knot and the 4_1 knot are often referred to as the trefoil and figure-eight knots respectively. There are more obscure names for some of the later ones in the knot tables, for ...
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Are there examples of (successful) NSF mathematics proposals available anywhere online?
As anyone who has ever applied to the NSF for a grant knows, such a proposal is a slightly odd piece of writing, not quite like anything else mathematicians are called upon to write. As such, it's a ...
14
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1
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Database of Steiner triple systems
Can anyone point me to an online database of Steiner triple systems?
My Google-fu is only getting me to descriptions of the few smallest ones, mostly Google book scans (which are rather useless to ...
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Where on the internet I can find a database of graphs?
I am studying graph algorithms.
I need a database of graphs on which I can test my algorithms.
Where can I find a reliable database of graphs of all kinds?
Thanks!
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Sources for BibTeX entries
Does anyone know of a good place to find already-done BibTeX entries for standard books in advanced math? Or is this impossible because the citation should include items specific to your copy? (I am ...
12
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3
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Database of finite presentations of used groups
Do You know any kind of database of presentations of groups?
It may be on-line or off-line in form of tables, ideally case would be integrated in some Computer Algebra System. I am interested the ...
147
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15
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Is a free alternative to MathSciNet possible?
How could a free (i.e. free content) alternative for MathSciNet and Zentralblatt be created?
Comments
Some mathematicians have stopped writing reviews for MathSciNet because they feel their output ...
12
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6
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Database of polyhedra
As part of many hobbies (origami, sculpting, construction toys) I often find myself building polyhedra from regular polygons. I am intimately familiar with all of the Archimedean and Platonic solids, ...
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Errata database?
Some authors do a really great job by collecting errors and comments to their books and putting a list on their websites. I wonder if there is some (perhaps wiki-style) website where errata are ...
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