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

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1answer
7 views

Reference Request for Methods of the Calculation of Order

What are the standard methods of calculation of the order modulo $n$ of an integer $a$ where $\operatorname{gcd}(a,n)=1$?
0
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0answers
13 views

The use of Weighted arithmetic mean to determine the extent to which the data correspond

I don't know when I can ask such question, because it is not a completely mathematic question. I have a text and a topic (single word). I want to check how much this text corresponds to the topic. ...
1
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0answers
34 views

Chernoff Binomial Bound

I am reading a paper and the following Chernoff-type bound is presented: For X~Bin(n,p) and a>0, the following bounds for lower and upper tail, respectively, hold: $$\Pr[X\le np-a]\le ...
6
votes
1answer
84 views

Good Reference for Justifying (less well-known fields of) Math?

How do we as mathematicians justify the study of math to students? Or, indeed, how do we justify it to the general public? How do you justify your particular field? I'm particularly interested in ...
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0answers
26 views

What are the properties of the category of all categories within itself? [on hold]

Let us suppose that we use something like new foundations instead of ZFC for our set theory (any set theory that allows this question to make sense would work.) This allows us to have a category of ...
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7answers
2k views

Mathematical literature to lose yourself in

H.M. Edwards in the preface to his book on the Riemann Zeta Function, summarises his philosophy on learning Mathematics: ...I have tried to say to students of mathematics that they should read the ...
6
votes
1answer
64 views

The category of theorems and proofs

On a philosophy website, it said that you could have a category with theorems as objects and proofs as arrows. This sounds awesome, but I couldn't find anything on the web that has both "category" and ...
0
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0answers
43 views

Which is the best book on Goldbach conjecture research

Is there a book which summarizes the major research results in the past, and current research trends, for the Goldbach conjecture? I know, much progress has been made in Analytic Number theory in ...
3
votes
2answers
38 views

“Sandwich theorem” for eigenvalues of symmetric matrices

I am looking for a reference for the following result for symmetric matrices Let $A\in\mathbb R^{n\times n}$ be symmetric with eigenvalues $\lambda_n \leq\ldots\leq\lambda_1,\, M\subset \lbrace ...
2
votes
1answer
23 views

Online resources to learn numerical methods for PDEs?

I would like to get into a career that uses alot of applied math. I took a numerical analysis course in undergrad and liked it, so I plan to self-learn numerical methods for PDEs. Other than the MIT ...
1
vote
0answers
27 views

System of First-Order Quasilinear PDEs: Burgers' Equation

The Burgers' equation is given by $u_{t}+uu_{x}=\nu u_{xx}$, where $u=u(x,t)$ and $\nu$ is the kinematic viscosity. How do I rewrite the equation (or any higher order PDE) as a system of first-order ...
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2answers
151 views
+50

I need help finding a rigorous Pre-calculus textbook

I dislike modern textbooks; their cookie-cutter approach and appearance, over reliance on breaking things down into little boxes, the general spoon-feeding they engender and most of all the poor ...
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0answers
34 views

Book suggestion functional analysis [duplicate]

I am studding functional analysis and applications. Does anyone have a good recommendation of books//lectures/resources/etc.? Thanks.
2
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1answer
33 views

1D manifold is diffeomorphic to $\mathbb R$ or to $S^1$

In his ODE classic V.I. Arnold considers easy to see (легко видеть) that every one-dimensional (connected and without boundary) differentiable manifold is either diffeomorphic to $\mathbb R$ (if it is ...
3
votes
1answer
90 views

Single Variable Calculus Reference Recommendations

This question is a generalization of the common question asking for calculus references. It is here to abstract away the repetition, and give a canonical resource for calculus references. I'm ...
3
votes
2answers
133 views

Applied Math Foundational Books

I have a BA in mathematics from a pretty good school, where I effectively exhausted the mathematics sequence. The sequence mostly focused on pure math (including measure theoretic real analysis and ...
2
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3answers
99 views

Chess and mathematics

I have to choose a research-like project to follow the next year. Because I'm a chess enthusiast, I was thinking of trying to tackle an (open) problem related to chess, and relevant to mathematics. ...
0
votes
1answer
29 views

Readings on more general/abstract notions of induction related to logic

Can someone suggest references to understand the more general/abstract concept of induction? Specifically, I am trying to justify to myself what is called induction on the "complexity of a ...
2
votes
1answer
47 views

Eisenstein-type series

Is the series, $$1 - 24\sum_{n = 1}^\infty \frac{q^{2n}}{(1 - q^{2n})^2},$$ somehow related to $$E_2(q) = 1 - 24\sum_{n = 1}^\infty \frac{nq^n}{1 - q^{n}},$$ the Eisenstein series of weight 2?
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0answers
13 views

Markov Models and Applications

I am looking for resources in Markov models and its applications. I'm looking for tutorials, videos, books etc which provide the following Explain Markov chains in layperson terms and provide ...
9
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1answer
80 views

Any book on major (recent) math discovery (results) in an easy understanding way?

All: Can anyone recommend a book which illustrate major (recent) math discoveries (results) in an easy understanding way ? For "recent discoveries", I meaning something discovered in last 50 years. ...
1
vote
1answer
49 views

Condition on the kernel of the integral operator to belong to the trace class?

Let $\mu$ be a finite compactly supported Borel measure on the real line. Consider the integral operator $K$ on $L^2(\mu)$, $$ (Kh)(x)=\int h(y)k(x-y)\, d\mu(y), $$ where $k$ is a fixed function. ...
1
vote
1answer
97 views

Too Many Books - Not Enough Time

I am currently a high school student trying to get as far ahead in mathematics as I can. In doing so, I accumulated a good 10 physical math books, and a library of online resources including 2 or 3 ...
0
votes
2answers
50 views

Determinant of identity minus adjacency matrix

Let $M$ be the adjacency matrix of a directed graph $G$. Is there any known relation between $\det(\textrm{id}-M)$ and the cycles of $G$? It is easy to see that if $G$ is acyclic then this ...
2
votes
1answer
58 views

The comultiplication on $\mathbb{C} S_3$ for a matrix basis?

Let $G$ be a finite group and let $\mathcal{A} = \mathbb{C} G$ be the group Hopf algebra. The comultiplication on $\mathcal{A}$ is well-known to be given by $\Delta(g) = g \otimes g$. For $G=S_3$, ...
1
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1answer
30 views

proof of Konig's Theorem for bipartite graphs from Menger's Theorem

Could someone provide me with a good reference for a proof of Konig's Theorem for bipartite graphs from Menger's Theorem? Konig's Theorem is as follows: For a bipartite graph $G$, the maximum size ...
3
votes
0answers
33 views

Generalization of small set/large set

A small set is a subset of the positive integers, such that the infinite sum of the reciprocals of the members of the set converges. Conversely, the sum of the reciprocals of a large set diverges. ...
4
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5answers
65 views

Book on “Measure and integration” for starters.

This semester I have a course on Measure and Integration. I'd like you to recommend me some books.
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0answers
57 views

Who one have all the 275305224 MagicSquares of order 5? [on hold]

Is there any way that make us able to access to all solutions of order 5 magic square ? For research and statistical analyze purposes ! There are two main problem on this subject too 1th the ...
5
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0answers
97 views

Is there a book only about epsilon delta proofs?

I want to know if there is such book, with beautiful epsilon delta proofs of all kind.
0
votes
1answer
55 views

Can anyone recommend an easy to read algebraic number theory book?

Can anyone recommend an easy to read algebraic number theory book ? I prefer a book with good examples. (hints or answers to selected questions if possible. Not sure if it is possible for a book of ...
0
votes
0answers
6 views

Literature on interpolation in Hardy spaces

I'm an undergraduate mathematics student and I'm searching for notes and books on Hardy spaces $H^p$, in particular interpolation theory including topics like Carleson measures, Carleson's $H^\infty$ ...
0
votes
1answer
19 views

Book suggestion for practicing tough Ordinary DE problems

I am preparing myself for a post undergraduate (masters) entrance exam in mathematics. Can someone suggest a really good practice material with challenging questions of all types for ordinary ...
2
votes
1answer
93 views

Reference request: Some theorems in an article of Grothendieck.

In "Standard conjectures on algebraic cycles" Grothendieck says: "The first is an existence assertion for algebraic cycles (considerably weaker than the Tate conjectures), and is inspired by and ...
4
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0answers
83 views

Learning roadmap to Topological Quantum Field Theories from a mathematics perspective

I want to learn TQFT's and am looking for review articles or books. My mathematics knowledge is limited to one year of graduate course in Algebra (Groups,Rings,Fields,Categories, Modules and ...
0
votes
1answer
49 views

Is there a 10-digit emirp?

Does a 10-digit emirp exist? Unfortunately, the lists of emirps I could find on the Web are quite small and my programming skills aren't good enough to write a program to check all the primes up to ...
0
votes
1answer
25 views

On the decomposition of Stochastic matrices

Let "stochastic" matrix be the matrix whose rows sum to one and deterministic matrix be a stochastic matrix whose all rows consist of a one and zero. For example $\left [ \begin{array}{ccc} 1 & ...
0
votes
2answers
41 views

Different arithmetics

The original Peano axioms were based on a single unary operator $\operatorname{succ}$ and one second-order induction axiom: $\lbrace \operatorname{succ} \rbrace + \operatorname{IND}_2$ Peano ...
4
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0answers
40 views

The Kähler form and the anticanonical line bundle

Let $M$ be a Kähler manifold. We say that $M$ is Fano if the anticanonical line bundle $K_M^*$ of $M$ is ample (or positive). On the other hand, I sometimes see the following definition (or ...
2
votes
1answer
13 views

Consider a symmetric matrix $X$ with eigendecomposition $X=UVU^T$, how to call $\sum_{v_{k,k}>0}v_{k,k}u_ku_k^T$?

Consider a symmetric matrix $X$ with eigendecomposition $X=UVU^T$ How do people call $\sum_{v_{k,k}>0}v_{k,k}u_ku_k^T$? Sum of positive components of $X$? The positive semi definite part of $X$? ...
1
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1answer
21 views

Supplement for reading Group cohomology from Serre Local Fields

I am doing a reading course on Group cohomology... I am supposed to start reading Group cohomology part in Serre's Local fields Book ...
1
vote
1answer
36 views

Approximate Equivalent To Michael Spivak's text, “Calculus” but for Linear Algebra?

Does anyone know of an approximate equivalent To Michael Spivak's text, "Calculus" but for Linear Algebra? I love the way this book is written! It is simultaneously rigorous and thorough without ...
1
vote
1answer
34 views

Pre- calculus and calculus practice questions

I'll be taking pre-calculus this fall, and I am wondering if anyone on here can recommend a good problem solving workbook with lots of questions for practice.Also,any ideas for calculus I and calculus ...
6
votes
1answer
65 views

Where can I download the approx 1500 Appel-Haken reducible configurations in the Four-Color-Theorem proof?

Where can I download computer representations of the approximately 1500 Appel-Haken reducible configurations in the Four-Color-Theorem proof? The Wikipedia article ...
1
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0answers
16 views

Reference request: About some important result in a book of Lefschetz.

Is there a (modern)book in which the most important results of L'analysis situs et la géométrie algébrique, Lefschetz" are exposed?
0
votes
1answer
14 views

Definitions of hemicontinuity

can anyone see the equivalence or relation between the following two definitions of hemicontinuity that I encountered: Assume that $K$ is a closed, convex subset of Banach space $X$. Let $X^{*}$ be ...
1
vote
0answers
27 views

Extending a measurable map $f: G \to \mathbb{R}/\mathbb{Z}$ to a continuous group homomorphism

Let $G$ be a compact abelian metrizable group (where the group operation is written as $+$) and $\mu$ is the Haar measure on $G$. Suppose we have a measurable function $f: G \rightarrow ...
2
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0answers
19 views

harmonic functions: comparison of gradients

Consider $\Omega$ a open, bounded, convex domain in $R^n.$ I am trying to justify this: Let $u, v$ non negative harmonic functions in $\Omega$ (in the Sobolev sense). Suppose that $ u = v =0$ in ...
0
votes
1answer
68 views

defining the group law on elliptic curves in general

Let $k$ be an arbitrary field and $C \subset \mathbb{P}^2(k)$ an elliptic curve. In order to define the group law on $C$ we need to establish some geometric facts first, e.g. Any line intersects $C$ ...
0
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0answers
28 views

On achieving the maximal correlation

I am reading the famous paper of Renyi, entitled "On measures of dependence" (see here1). He redefined the maximal correlation in a very general form for both discrete and continuous random ...