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ArrTypeD    --    reflection arrangement of type D

Syntax

ArrTypeD(S: RING, k: INT): LIST

Description

This function constructs the reflection arrangement of type D in the first k variables of the polynomial ring S.

Example

/**/ use S::=QQ[x,y,z]; /**/ ArrTypeD(S, 3); [x -y, x +y, x -z, x +z, y -z, y +z]

See Also