Horizon
发表于 2025-3-23 11:44:41
Caustics of Plane Curves, Their Birationality and Matrix Projections,rce point . in the plane. Then we prove more generally a theorem for curves . in the projective space of 3 × 3 symmetric matrices .. For a general 3 × 1 vector . the projection to the plane given by . → . is birational on ., unless . is not a line and . is contained in a plane of the form ..
否决
发表于 2025-3-23 14:47:13
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lipids
发表于 2025-3-23 20:02:18
Delta Economics and Sustainability, methods involve different stability conditions. In dimension 2 we prove that there is a natural connection between them, related to a yet another stability condition, the linear stability. Finally we make some speculations and prove new results in higher dimension.
自爱
发表于 2025-3-24 00:36:36
Delusions and Prediction Error, of . and irreducible components of the exceptional divisor in the minimal resolution of the quotient singularity .. Over non algebraically closed fields . there may exist representations irreducible over . which split over .. The same is true for irreducible components of the exceptional divisor. I
Accrue
发表于 2025-3-24 03:15:06
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伦理学
发表于 2025-3-24 07:57:13
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Mangle
发表于 2025-3-24 11:31:52
https://doi.org/10.1057/9780230289758neral Kummer surface), the limits as . ∈ .. tends to 0 of the Severi varieties ..(..), parametrizing irreducible .-nodal plane sections of ... We give applications of this to (i) the counting of plane nodal curves through base points in special position, (ii) the irreducibility of Severi varieties o
Isthmus
发表于 2025-3-24 18:08:42
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Freeze
发表于 2025-3-24 19:56:35
https://doi.org/10.1007/978-3-662-53666-7e. Let . be a nef line-bundle on ., such that the top power . vanishes and . is primitive. Assume that the two dimensional subspace ..(.) ..(.) of . intersects . trivially. We prove that the linear system of . is base point free and it induces a Lagrangian fibration on .. In particular, the line-bun
CURL
发表于 2025-3-25 01:31:08
https://doi.org/10.1007/978-3-662-53666-7 bundle (this was known in the projective case even without assumption on the existence of vector fields). We further show that a global projective deformation of the projectivised tangent bundle over a projective space is again of this type unless it is the projectivisation of a special unstable bu