LEC NOTE MATH OLYM: SNR SEC (V1)
MATRIX THEORY
INTRODUCTION TO ALGEBRAIC GEOMETRY AND COMMUTATIVE ALGEBRA
LEC NOTE MATH OLYM: SNR SEC (V2)
INFORMAL INTRODUCT TO STOCHASTIC CALCULUS WITH APPLICATIONS
GEOMETRIC PHASES IN PHYSICS (V5)
DIFFERENTIAL FORMS
FIRST COURSE IN LINEAR ALGEBRA,A
GALOIS THEORY OF ALGEBRAIC EQUATIONS
ELEMENTARY FLUID MECHANICS
PROB & SOLN IN REAL ANALYSIS V4
INTRO TO CALCUL VARIA (2ND ED)