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D.15.3.16 chDual
Procedure from librarychern.lib (see chern_lib).
- Usage:
- chDual(c); c list of polynomials
- Return:
- list of polynomials
- Purpose:
- computes the list of Chern classes of the dual vector bundle
- Note:
LIB "chern.lib"; // Chern classes of a vector bundle that is dual to a vector bundle // with Chern classes c(1), c(2), c(3) ring r=0, (c(1..3)), dp; list l=c(1..3); print(chDual(l)); ==> [1]: ==> -c(1) ==> [2]: ==> c(2) ==> [3]: ==> -c(3) |