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Questions tagged [reference-request]

This tag is for questions seeking external references (books, articles, etc.) about a particular subject. Please do not use this as the only tag for a question.

This tag is for questions seeking external references (books, articles, websites, etc.) about a particular subject. It is intended for use along with other, more "mathematical" tags. Please do not use this as the only tag for your questions. See this discussion on Meta.

20936 questions
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Gaussian covariance matrix

Assume a random vector $$X=(X_1,\ldots,X_p) \sim N(0,\Sigma)$$ with $\Sigma$ positive definite matrix. Is there literature regarding the covariance (formulas) of the form $E[X_j^kX_{j'}^l]$? with $k,l \in \{1,\ldots, q\}$ for some $q\in…
statuser123
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Reference Request: Book Of Mathematical Proofs

I am looking for a book that contains mathematical proofs, not a book about proofs, what they are, how to produce them, etc. My focus is on Algebra and Calculus. Searching the forum and Google I found the book "Thoughts Alpha: Basic Mathematics",…
Sigma
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Math books with interesting post-high school topics

I've exhausted the usual High School curriculum for Mathematics and i need some recommendations. I want to start a serious course in Mathematics at a local college, but that's simply too long to wait, i'd like to get started now. So right now i'm…
nicholasg
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Figure 1.4 of Introduction to Calculus and analysis vol 1

I get stuck in here. Should it be 10 11 100 101 110? Should "21/4" lie between 101 and 110 instead of 111? Thanks for your help!
potter john
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Past Papers Of multivariable calculus OF MIT,Princeton or harvard

Does anybody know from where to get the past 10 years of papers finals?
EulerRamanujan121
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Is any open question, other than RH, known to imply anything of interest?

The thing of interest need not be an unproven result. For (an off-the-wall) example, does the Collatz Conjecture imply Fermat’s Last Theorem? Of course, by “imply” here, we really mean “entail”. If something is known to be true, then ANYTHING…
Mike Jones
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Reference request: "Chapter 4. Binomial Coefficients"

I believe this chapter is a part of some book on combinatorics. So what is that book?
Petro Kolosov
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books as light reading, enlightenment, entertainment

I am looking for the introductory books on mathematics as light reading, story, novel, enlightenment, entertainment,not text or dictionary. Please introduce many books and the reason they are good.
mynameisjohn
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Books for proving the hopf invariant is a homomorphism.

Books for proving that the Hopf invariant is a homomorphism. I need to see many proofs of this, could someone recommend some books to me please?
user889267
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Is there any information/research about these extension of the real numbers?

Some time ago I had the idea of extending the real numbers with a new direction/algebraic sign, similarly how negative numbers extend the positive numbers by adding a new sign. I call this sign §, and the numbers §-numbers. This numbers are, in a…
Benny
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linear algebra books with many examples

I am looking for books on linear algebra written in English that explain thing clearly and contain many good examples. I don't possess a very in-depth knowledge of mathematics. Also, it's alright if the book is quite lengthy or pricey. Please answer…
Matsumoto Yoshiharu
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