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, ...

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 ...