\leftrightsquigarrowThe `\leftrightsquigarrow` symbol is used to represent a wavy arrow pointing both left and right. It is often used in mathematical contexts to denote a form of equivalence or correspondence between two entities, or to indicate a reversible transformation or process.
Indicating a reversible transformation between A and B
A \leftrightsquigarrow BShowing a correspondence or equivalence between x and y
x \leftrightsquigarrow yDenoting that function f and function g are related in a reversible manner
f(x) \leftrightsquigarrow g(x)