New posts in functions

Examples of non-continuous, non-piecewise-constant, idempotent map?

real-analysis functions

Why is there no continuous log function on $\mathbb{C}\setminus\{0\}$?

complex-analysis functions

Cardinality of set of all everywhere-discontinuous functions

functions elementary-set-theory continuity

In what manner are functions sets?

elementary-set-theory functions

A binary operation, closed over the reals, that is associative, but not commutative

abstract-algebra group-theory functions examples-counterexamples associativity

Show that $f(x) = x$ if $f(f(f(x))) = x$.

functions functional-equations

Extension of the Jacobi triple product identity

sequences-and-series functions theta-functions

Is it possible to combine two integers in such a way that you can always take them apart later?

functions

Find real roots of the equation

algebra-precalculus functions roots radicals

Relation between root of a function and its derivative

calculus functions

Are max and min of a function continuous?

real-analysis functions

find the number of injections/surjections

elementary-set-theory functions

Does there exist a function such that $\int_{\mathbb{R}_+^{\star} } t^nf(t)dt=0$?

real-analysis integration functions

Find the function of separation between two functions

functions

How many numbers below $n$ with a square number of distinct prime factors?

number-theory functions prime-numbers prime-factorization

Continuous and Open maps

general-topology functions terminology continuity

On Vanishing Riemann Sums and Odd Functions

calculus real-analysis functions fourier-analysis

Homogeneus nonlinear function in multiple dimensions

linear-algebra functions homogeneous-equation

Find the maximun of the sum $\sum_{k=1}^{n}(f(f(k))-f(k))$

functions optimization summation

bash function cannot change the value of a local variable when called by $()

bash scripts functions