On series expansions of zeros of the deformed exponential function

Alexey Kuznetsov

For $q\in (0,1)$, the deformed exponential function $f(x)={\sum }_{n\ge 1}{x}^n{q}^{n(n-1)/2}/n!$ is known to have infinitely many simple and negative zeros $\{x_k(q)\}_{k \geq 1}…