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baseField -- the base field of a Grothendieck Witt class



Given the isomorphism class of a symmetric bilinear form, beta, this command outputs the base field of the form.

i1 : beta = gwClass(matrix(QQ,{{0,2},{2,0}}));
i2 : baseField beta

o2 = QQ

o2 : Ring

See also

Ways to use baseField :

For the programmer

The object baseField is a method function.