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D.5.2.40 cProj
Procedure from librarychern.lib (see chern_lib).
- Usage:
- cProj(n); n integer
- Return:
- list of integers
- Purpose:
- computes the terms of positive degree of the total Chern class
of the tangent bundle on the complex projective space
- Note:
LIB "chern.lib"; ring r=0, (t), dp; // the coefficients of the total Chern class of the complex projective line print( cProj(1) ); ==> [1]: ==> 2 // the coefficients of the total Chern class of the complex projective plane print( cProj(2) ); ==> [1]: ==> 3 ==> [2]: ==> 3 // the coefficients of the total Chern class of the complex projective space // of dimension three print( cProj(3) ); ==> [1]: ==> 4 ==> [2]: ==> 6 ==> [3]: ==> 4 |