Mathematics

An Introduction to Statistical Signal Processing Mathematics by Robert M. Gray and Lee Davisson 
Fundamentals of Signal Processing Teacher's Resources by Minh N. Do 
Collaborative Statistics Mathematics by Robert Gallagher 
Yet Another Calculus Text Mathematics by Dan Sloughter

A Mathematical Theory of Communication Mathematics by C. E. Shannon 
Advanced Algebra II: Conceptual Explanations Mathematics by Kenny M. Felder 
Matrix Analysis Mathematics by Steven J. Cox 
Fields Mathematics by Warren Siegel, S. James Gates, et al

Discrete Time Systems Mathematics by Mario A. Jordan and Jorge L. Bustamante 
Introduction to String Field Theory Mathematics by Warren Siegel 
Linear Matrix Inequalities in System and Control Theory Mathematics by Venkataramanan Balakrishnan, Stephen Boyd, et al 
Adaptive Control Mathematics by Kwanho You