Abstract Algebra Algebra Algebraic Geometry Algebraic Topology Applied Mathematics Arithmetic Geometry Basic Algebra Basic Mathematics Calculus Category Theory Classical Analysis Combinatorics Commutative Algebra Complex Algebra Complex Analysis Differential Algebra Differential Analysis Differential Calculus Differential Equations Differential Geometry Differential Topology Discrete Mathematics Elliptic Curves Fourier Analysis Functional Analysis Fractals Fractional Calculus Geometric Algebra Geometry Geometric Topology Groups Theory Graph Theory Harmonic Analysis Higher Algebra History of Mathematics Homological Algebra Integral Calculus K-theory Lie Algebra Linear Algebra Mathematical Analysis Mathematical Series Modern Geometry Multivairable Calculus Number Theory Numerical Analysis Probability Theory Real Analysis Rings and Fileds Riemannian Geometry Theorems in Calculus Topology Trigonometry Set Theory Constants & Numerical Sequences
Number Theory A Contemporary Introduction
This note describes the following topics: Pythagorean Triples, Quadratic Rings, Quadratic Reciprocity, The Mordell Equation, The Pell Equation, Arithmetic Functions, Asymptotics of Arithmetic Functions, The Primes: Infinitude, Density and Substance, The Prime Number Theorem and the Riemann Hypothesis, The Gauss Circle Problem and the Lattice Point Enumerator, Minkowski’s Convex Body Theorem, The Chevalley-Warning Theorem, Dirichlet’s Theorem on Primes in Arithmetic Progressions, Rational Quadratic Forms and the Local-Global Principle.
Author(s): Pete L. Clark
272 Pages 
Algebraic Number Theory by Dietrich Burde
This note explains the following topics: Integral ring extensions, Ideals of Dedekind rings, Finiteness of the class number, Dirichlets unit theorem, Splitting and ramification, Cyclotomic fields, Valuations and local fields, The theorem of Kronecker weber.
Author(s): Dietrich Burde
101 Pages
Number Theory Lecture Notes by Vahagn Aslanyan
This note explains the following topics: Divisibility, Multiplicative functions, Modular arithmetic, Primitive roots, Quadratic residues, Diophantine equations, Quadratic number fields, Chebyshev’s theorem.
Author(s): Vahagn Aslanyan
69 Pages
Theory of Numbers Lecture Notes
This lecture note is an elementary introduction to number theory with no algebraic prerequisites. Topics covered include primes, congruences, quadratic reciprocity, diophantine equations, irrational numbers, continued fractions, and partitions.
Author(s): Prof. Abhinav Kumar
NA Pages
This note covers the following topics: Divisibility and Primes, Congruences, Congruences with a Prime-Power Modulus, Euler's Function and RSA Cryptosystem, Units Modulo an Integer, Quadratic Residues and Quadratic Forms, Sum of Powers, Fractions and Pell's Equation, Arithmetic Functions, The Riemann Zeta Function and Dirichlet L-Function.
Author(s): Dr. Anupam Saikia, NTPEL
NA Pages