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Combinatorics and Discrete Mathematics

This branch of BookofProofs is devoted to combinatorcs. Combinartorics, sometimes also called discrete mathematics, is a branch of mathematics that focusses on the study of discrete objects (as opposed to continuous ones). The main purpose is to provide a framework for counting these objects under diffent operations, including exchanges, permutations, choice situations, combinations, and many more.

Combinatorics plays a crucial role in the development of many other mathematical areas, e.g. number theory, probability theory, graph theory, geometry, and the theory of algorithms.

Theoretical minimum (in a nutshell)

As a framework for counting discrete objects, combinatorics does not require very sophisticated prerequisites to be acquainted with. However, the theoretical concepts of counting in combinatorics can become demanding for the undergraduates. The main difficulty might result not in the mere understanding of the techniques, but in the ability to recognize which technique to count things is applicable in a given situation.

Concepts you will learn in this part of BookofProofs

| | | | created: 2014-02-20 21:42:44 | modified: 2020-06-13 11:57:14 | by: bookofproofs

1.Historical Development of Combinatorics

2.Set-theoretic Prerequisites Needed For Combinatorics

3.Cycles, Permutations, Combinations and Variations

4.Discrete Calculus and Difference Equations

5.Stirling Numbers

6.Proposition: Number of Relations on a Finite Set

7.Proposition: Number of Strings With a Fixed Length Over an Alphabet with k Letters

8.Proposition: Multinomial Coefficient

9.Solving Strategies and Sample Solutions to Problems in Combinatorics

Edit or AddNotationAxiomatic Method

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Bibliography (further reading)