List questions from computational-mathematics

Published on 26 Mar 2026 - 4:49

102

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Is there a positive integer $n \ge 2$ for which $\frac{k}{\pi(k)} = n$ has no solution?

Published on 26 Mar 2026 - 2:50

48

Views

Multiplication "speed"

Published on 26 Mar 2026 - 0:11

263

Views

Examples of computational tools/theories for graph theorists?

Published on 04 Jul 2019 - 0:08

146

Views

Roots of $(x-\lfloor x\rfloor)^2+(x-\lfloor x\rfloor)\left\lfloor{1\over x -\lfloor x\rfloor}\right\rfloor=1$

Published on 26 Mar 2026 - 0:16

349

Views

Last element in list

Published on 25 Mar 2026 - 19:47

577

Views

Strange shape of the distribution of the sum of the binomial coefficients ${n\choose r^2}$over squares

Published on 25 Mar 2026 - 21:05

708

Views

Problem related to First Order Logic. Not able to approach the problem

Published on 25 Mar 2026 - 10:31

27

Views

Efficient Mathematica Code for List Problem

Published on 26 Mar 2026 - 5:52

207

Views

Sequences $2^n+m$ that tend not to produce primes but it seems that they should

Published on 25 Mar 2026 - 11:38

258

Views

Is every Formal system expressible as a Turing machine and vice versa?

Published on 26 Mar 2026 - 8:57

80

Views

Software to convert tensor into vector?

Published on 25 Mar 2026 - 18:28

169

Views

Obtaining positive eigenvalues of the matrix $A$?

Published on 26 Mar 2026 - 3:16

33

Views

Karatsuba Multiplication Rule in dividing a Number in two parts

Published on 25 Mar 2026 - 10:25

273

Views

Are these two explicitly given $10 \times 10$ matrices similar over the integers? Or equivalently, are they shift equivalent over $\mathbb{Z}$?

Published on 26 Mar 2026 - 6:24

List Question

Proving NP-completeness for a problem is a generalization of a known NP-complete problem

Is there a positive integer $n \ge 2$ for which $\frac{k}{\pi(k)} = n$ has no solution?

Multiplication "speed"

Examples of computational tools/theories for graph theorists?

Roots of $(x-\lfloor x\rfloor)^2+(x-\lfloor x\rfloor)\left\lfloor{1\over x -\lfloor x\rfloor}\right\rfloor=1$

Last element in list

Strange shape of the distribution of the sum of the binomial coefficients ${n\choose r^2}$over squares

Problem related to First Order Logic. Not able to approach the problem

Efficient Mathematica Code for List Problem

Sequences $2^n+m$ that tend not to produce primes but it seems that they should

Is every Formal system expressible as a Turing machine and vice versa?

Software to convert tensor into vector?

Obtaining positive eigenvalues of the matrix $A$?

Karatsuba Multiplication Rule in dividing a Number in two parts

Are these two explicitly given $10 \times 10$ matrices similar over the integers? Or equivalently, are they shift equivalent over $\mathbb{Z}$?

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