List questions from functional-equations

Published on 25 Mar 2026 - 9:23

66

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General Solution to Linear Difference Equation: Is this correct

Published on 08 Jul 2014 - 0:10

305

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Differential Diophantine Equations?

Published on 10 Jul 2014 - 4:30

90

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What functions satisfy the condition $f(x,y)=g(x)$?

Published on 10 Jul 2014 - 17:42

72

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What functions satisfy $\int_{-\infty}^{\infty} f(x,y)dx=\int_{-\infty}^{\infty} g(x,y)dx$?

Published on 26 Mar 2026 - 2:55

52

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An equation with a nested function

Published on 10 Jul 2014 - 23:04

293

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Nonlinear inhomogeneous recurrence $f(x)^2=f(x+1)+S(x)$ to find nested radical

Published on 25 Mar 2026 - 14:09

252

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Functions $f$ such that $f(x)+f(-x)=f(x)f(-x)$

Published on 12 Jul 2014 - 3:57

199

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Polynomials that satisfy $(x-1)(p(x+1))=(x+2)(p(x))$ where $p(2)=12$?

Published on 12 Jul 2014 - 17:08

166

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Equation Theory: A polynomial with specific remainders when divided by specific divisors. What is the remainder when divided by BOTH divisors

Published on 13 Jul 2014 - 17:05

307

Views

Help with complicated functional equation

Published on 13 Jul 2014 - 18:50

53

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Extending $f(p^k)$ where $p$ is prime

Published on 13 Jul 2014 - 21:28

111

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Functional equation relating to normal numbers

Published on 25 Mar 2026 - 11:08

74

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Need a equation that defines a certain number

Published on 17 Jul 2014 - 14:26

1.3k

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I am searching for an unusual real-valued function.

Published on 21 Jul 2014 - 1:05

List Question

Functional Equation involving derivatives and time-steps

General Solution to Linear Difference Equation: Is this correct

Differential Diophantine Equations?

What functions satisfy the condition $f(x,y)=g(x)$?

What functions satisfy $\int_{-\infty}^{\infty} f(x,y)dx=\int_{-\infty}^{\infty} g(x,y)dx$?

An equation with a nested function

Nonlinear inhomogeneous recurrence $f(x)^2=f(x+1)+S(x)$ to find nested radical

Functions $f$ such that $f(x)+f(-x)=f(x)f(-x)$

Polynomials that satisfy $(x-1)(p(x+1))=(x+2)(p(x))$ where $p(2)=12$?

Equation Theory: A polynomial with specific remainders when divided by specific divisors. What is the remainder when divided by BOTH divisors

Help with complicated functional equation

Extending $f(p^k)$ where $p$ is prime

Functional equation relating to normal numbers

Need a equation that defines a certain number

I am searching for an unusual real-valued function.

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