The Journal of Operator Theory endeavours to publish significant articles in all areas of operator theory, operator algebras and closely related domains. All accepted manuscripts are carefully ...
Let $f(z)$ be entire and of finite order, $f^{(n)}$ be the $n$th derivative, and $\Delta_n(f) = \Sigma\delta(a, f^{(n)})$, the sum of all deficient values of $f^{(n ...