List questions from intersection-theory

Published on 05 Sep 2018 - 9:29

351

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Can two projective surfaces intersect in points only?

Published on 07 Sep 2018 - 7:53

401

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Schubert class in the Grassmannian G(3,6)

Published on 22 Mar 2026 - 19:53

160

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Proving non-centered at the origin ellipsoid A is a subset of ellipsoid B

Published on 25 Mar 2026 - 16:14

215

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Every cycle class a Chern class?

Published on 30 Sep 2018 - 9:41

186

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Every Schubert cycle a Chern class?

Published on 22 Mar 2026 - 19:33

62

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Why is : $ g \circ f = ( \mathrm{pr}_{XZ}^{XYZ} )_* \big( ( \mathrm{pr}_{XZ}^{XYZ} )^* . \mathrm{pr}_{YZ}^{XYZ} )^* g \big) $?

Published on 30 Sep 2018 - 16:05

758

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Intersection Theory on a Surface

Published on 01 Oct 2018 - 21:15

774

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Divisor with positive Selfintersection Number Semi Ample

Published on 04 Oct 2018 - 8:39

277

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Section of Hirzebruch Surface Semi Ample

Published on 04 Oct 2018 - 11:44

149

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Question about adjunction formula $K_Y = (K_X + Y)|_Y$

Published on 01 Nov 2018 - 4:20

148

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General statement about how many lines in Euclidean space will determine a line

Published on 25 Mar 2026 - 7:48

581

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How can one show that an elliptic curve has a point whose tangent line also meet another point of the curve

Published on 25 Mar 2026 - 9:39

115

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Any hyperplanes is covered by non-Lefschetz pencils?

Published on 16 Nov 2018 - 21:41

200

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Intersection number for projective plane curves

Published on 23 Mar 2026 - 21:31

List Question

Modified homotopy and relation with intersection theory.

Can two projective surfaces intersect in points only?

Schubert class in the Grassmannian G(3,6)

Proving non-centered at the origin ellipsoid A is a subset of ellipsoid B

Every cycle class a Chern class?

Every Schubert cycle a Chern class?

Why is : $ g \circ f = ( \mathrm{pr}_{XZ}^{XYZ} )_* \big( ( \mathrm{pr}_{XZ}^{XYZ} )^* . \mathrm{pr}_{YZ}^{XYZ} )^* g \big) $?

Intersection Theory on a Surface

Divisor with positive Selfintersection Number Semi Ample

Section of Hirzebruch Surface Semi Ample

Question about adjunction formula $K_Y = (K_X + Y)|_Y$

General statement about how many lines in Euclidean space will determine a line

How can one show that an elliptic curve has a point whose tangent line also meet another point of the curve

Any hyperplanes is covered by non-Lefschetz pencils?

Intersection number for projective plane curves

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