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
This note
describes the following topics: generating functions, Integer partitions and q binomial coefficients,
Permutations, Alternating sums, signed counting and determinants.
This note describes
Elementary enumeration principles, Properties of binomial coefficients,
combinatorial identities, The principle of inclusion and exclusion,
Enumeration by means of recursions, The pigeon hole principle, Potential
functions and invariants, Some concepts in graph theory and various.
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.
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.
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
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.
This book
explains the following topics: Diagram Algebras and Hopf Algebras, Group
Representations, Sn-Representations Intro, Decomposition and Specht
Modules, Fundamental Specht Module Properties and Branching Rules,
Representation Ring for Sn and its Pieri Formula, Pieri for Schurs, Kostka
Numbers, Dual Bases, Cauchy Identity, Finishing Cauchy, Littlewood-Richardson
Rule, Frobenius Characteristic Map, Algebras and Coalgebras, Skew Schur
Functions and Comultiplication, Sweedler Notation, k-Coalgebra Homomorphisms,
Subcoalgebras, Coideals, Bialgebras, Bialgebra Examples, Hopf Algebras Defined,
Properties of Antipodes and Takeuchi’s Formula, etc.
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.