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Questions related from Alexandru Dimca
We consider the 6-dimensional complex projective space of non-zero binary sextic forms in x and y. Then the group $SL_2(C)$ acts here by change of coordinates. Hence any binary form has a...
07 August 2022 3,490 3 View
If the degree of S is 2, then take H a tangent plane, and the corresponding section is free. When the degree of S is 3, then take H a tritangent plane, and the corresponding section is free. First...
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Consider the following two smooth projective, complex plane curves C: x^d+y^d+z^d+(ax+by+cz)^d=0 and C': x^d+y^d+z^d+(a'x+b'y)^d=0 where a,b,c,a',b' are small nonzero complex numbers. Can you...
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One may suppose that M is the kernel of a morphism S^n to S^m of free S-modules, and that S is a polynomial ring in x_1,...,x_k with complex coefficients.
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