A -Vandermonde
sum is given by
where
is a nonnegative integer,
is a q-hypergeometric
function, and
is a q-Pochhammer symbol.
A -Vandermonde
sum is given by
where
is a nonnegative integer,
is a q-hypergeometric
function, and
is a q-Pochhammer symbol.
Weisstein, Eric W. "q-Vandermonde Sum." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/q-VandermondeSum.html