Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was ...

Abstract: Many geographical applications have to deal with spatial objects that reveal an intrinsically vague or fuzzy nature. A spatial object is fuzzy if locations exist that cannot be assigned ...

Abstract: Algorithmic dispatch is essential for performance in linear-algebra–intensive systems. A persistent challenge lies in the treatment of structured matrices. Although such matrices are often ...