Mathematica Eterna

Mathematica Eterna
Open Access

ISSN: 1314-3344

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Combinatorics

Combinatorics is an area of mathematics primarily concerned with counting, both as a means and an end in obtaining results, and certain properties of finite structures. It is closely related to many other areas of mathematics and has many applications ranging from logic to statistical physics, from evolutionary biology to computer science, etc.

To fully understand the scope of combinatorics requires a great deal of further amplification, the details of which are not universally agreed upon.The definition of the subject is difficult because it crosses so many mathematical subdivisions.[2] Insofar as an area can be described by the types of problems it addresses, combinatorics is involved with

the enumeration (counting) of specified structures, sometimes referred to as arrangements or configurations in a very general sense, associated with finite systems, the existence of such structures that satisfy certain given criteria, the construction of these structures, perhaps in many ways, and optimization, finding the "best" structure or solution among several possibilities, be it the "largest", "smallest" or satisfying some other optimality criterion.

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