\searrow
The symbol \searrow is used to represent a south-east arrow, often used in diagrams or to indicate a direction or transition in mathematical contexts.
Indicating a transition or direction from point A to point B in a diagram.
A \searrow B
Describing a variable x approaching 0 from a positive direction.
x \searrow 0
Function f(x) decreasing towards function g(x).
f(x) \searrow g(x)