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Hypergeometric functions over finite fields

1987; American Mathematical Society; Volume: 301; Issue: 1 Linguagem: Inglês

10.1090/s0002-9947-1987-0879564-8

1088-6850

John Greene,

Mathematical functions and polynomials

In this paper the analogy between the character sum expansion of a complex-valued function over GF ( p ) {\text {GF}}(p) and the power series expansion of an analytic function is exploited in order to develop an analogue for hypergeometric series over finite fields. It is shown that such functions satisfy many summation and transformation formulas analogous to their classical counterparts.