3.14 Quantum q-Krawtchouk

Definition.

 

Orthogonality.

 

Recurrence relation.

 

where

Normalized recurrence relation.

 

where

q-Difference equation.

 

where

and

Forward shift operator.

 

or equivalently

 

Backward shift operator.

 

or equivalently

 

where

Rodrigues-type formula.

 

where

Generating functions. For we have

 

 

Remarks. The quantum q-Krawtchouk polynomials defined by (3.14.1) and the q-Meixner polynomials given by (3.13.1) are related in the following way :

The quantum q-Krawtchouk polynomials are related to the affine q-Krawtchouk polynomials defined by (3.16.1) by the transformation in the following way :

References. [193], [277], [279].




Last modified on July 6, 1998