ISSAC 97 - Meijer G Function Representations Up
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Contiguity Relations Previous Next

Operator is a polynomial in but

so can also be expressed as a polynomial in terms of shift operators , , , and converting the differential equation for into a difference equation among contiguous instances of which we call a contiguity relation. 

Let stand for , , , or and stand for , , , or respectively.  If we express as a polynomial in , then we get

where the signs depend on , , , and whether is , , , and

These results let us define

The coefficients of these polynomials in , , ,
and are defined when


are defined for all , , , and Next

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