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
Combinatorics The Art of Counting, Bruce E. Sagan
The contents of this book include: Basic Counting, Counting with Signs, Counting with Ordinary Generating Functions, Counting with Exponential Generating Functions, Counting with Partially Ordered Sets, Counting with Group Actions, Counting with Symmetric Functions, Counting with Quasisymmetric Functions, Introduction to Representation Theory.
Author(s): Bruce E. Sagan
325 Pages 
An Introduction to Algebraic Combinatorics by Darij Grinberg
This note describes the following topics: generating functions, Integer partitions and q binomial coefficients, Permutations, Alternating sums, signed counting and determinants.
Author(s): Darij Grinberg
692 Pages
Introduction to Combinatorics by Mark Wildon
This book describes the following topics: The Derangements Problem, Binomial coefficients, Principle of Inclusion and Exclusion, Rook Polynomials, Recurrences and asymptotics, Convolutions and the Catalan Numbers, Exponential generating functions, Ramsey Theory, Lovasz Local Lemma.
Author(s): Mark Wildon
146 Pages
This PDF book covers the following topics related to Combinatorics : What is Combinatorics, Basic Counting Techniques, Permutations, Combinations, and the Binomial Theorem, Bijections and Combinatorial Proofs, Counting with Repetitions, Induction and Recursion, Generating Functions, Generating Functions and Recursion, Some Important Recursively-Defined Sequences, Other Basic Counting Techniques, Basics of Graph Theory, Moving through graphs,Euler and Hamilton, Graph Colouring, Planar graphs, Latin squares, Designs, More designs, Designs and Codes.
Author(s): Joy Morris, University of Lethbridge
357 Pages
Combinatorics of Centers by Sebastian Konig
This PDF book Combinatorics of Centers of 0-Hecke Algebrasin Type A covers the following topics related to Combinatorics : Introduction, Preliminaries, Coxeter groups, The symmetric group, Combinatorics, enters of 0-Hecke algebras, Elements in stair form, Equivalence classes, etc.
Author(s): Sebastian Konig
59 Pages
This PDF covers the following topics related to Combinatorics : Introduction, Enumeration, Sequences and the Multiplication Principle, Permutations and Combinations, Bijections and Double Counting, Estimation, Inclusion-Exclusion, Generating Functions, Formal Power Series, Generating Functions Redux, Change making, Compositions, Counting Subsets, Counting Strings, The Probabilistic Method, Preliminaries, The first moment method, Linearity of expectation, Alterations, Markov and Chebyshev, Chernoff Bound, Lov´asz Local Lemma, Extremal Graph Theory, Tur´an’s Theorem, Projective planes, Sidon sets, Constructing C4-free graphs, Ramsey numbers, Combinatorial Number Theory, Erd os-Ko-Rado Theorem, Spectral graph theory, Linear Algebra Preliminaries, The adjacency matrix, Short proofs of old results using spectral graph theory, The Graham-Pollak Theorem, The Expander-Mixing Lemma, The Hoffman-Singleton Theorem.
Author(s): Michael Tait, Carnegie Mellon University
103 Pages
Combinatorics The Art of Counting, Bruce E. Sagan
The contents of this book include: Basic Counting, Counting with Signs, Counting with Ordinary Generating Functions, Counting with Exponential Generating Functions, Counting with Partially Ordered Sets, Counting with Group Actions, Counting with Symmetric Functions, Counting with Quasisymmetric Functions, Introduction to Representation Theory.
Author(s): Bruce E. Sagan
325 Pages
Notes on Combinatorics Peter J. Cameron
The contents of this book include: Selections and arrangements, Power series, Recurrence relations, Partitions and permutations, The Principle of Inclusion and Exclusion, Families of sets, Systems of distinct representatives, Latin squares, Steiner triple systems.
Author(s): Peter J. Cameron
130 Pages
This lecture note covers the following topics: What is Combinatorics, Permutations and Combinations, Inclusion-Exclusion-Principle and Mobius Inversion, Generating Functions, Partitions, Partially Ordered Sets and Designs.
Author(s): Torsten Ueckerdt
137 Pages