LIB "chern.lib";
ring r=0, (t), dp;
// the coefficients of the Chern character of the complex projective line
print( chProj(1) );
==> [1]:
==> 1
==> [2]:
==> 2
// the coefficients of the Chern character of the complex projective plane
print( chProj(2) );
==> [1]:
==> 2
==> [2]:
==> 3
==> [3]:
==> 3/2
// the coefficients of the Chern character of the complex 3-dimensional projective space
print( chProj(3) );
==> [1]:
==> 3
==> [2]:
==> 4
==> [3]:
==> 2
==> [4]:
==> 2/3