Let R denote the annulus $\{z: \frac{1}{2} < |z| < 1\}$ and let π be a holomorphic universal covering map from the unit disk onto R. It is shown that if π is a function of an inner function ω, that is ...

Sufficient conditions are found for the existence of nontrivial invariant subspaces for Toeplitz operators with piecewise continuous symbols. The results are obtained by estimating the norm of the ...

In the Internet times, most learners will prefer online courses and practices to expand their mathematics knowledge, so math symbols and equations in online quizzes would be an essential part for ...

Mastering mathematical symbols is essential for success in various fields, from science to technology. The article breaks down fundamental symbols like arithmetic operations, comparisons, variables, ...

A MATHEMATICIAN from the University of the Philippines Diliman (UPD) and his Norwegian colleague have developed a new framework to understand complex mathematical operators crucial to quantum ...

Python supports unary operators for no change and negation, + and -, respectively; and binary arithmetic operators +, -, *, /, //, %, and **, for addition ...