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- Claudiu Raicu
- 2010

The projectivization of the space of matrices of rank one coincides with the image of the Segre embedding of a product of two projective spaces. Its variety of secant (r−1)–planes is the space of… (More)

- Claudiu Raicu
- 2010

We prove that the ideal of the variety of secant lines to a Segre--Veronese variety is generated in degree three by minors of flattenings. In the special case of a Segre variety this was conjectured… (More)

- Luke Oeding, Claudiu Raicu
- 2011

We determine the minimal generators of the ideal of the tangential variety of a Segre–Veronese variety, as well as the decomposition into irreducible $${GL}$$GL-representations of its homogeneous… (More)

- Claudiu Raicu
- 2016

We consider the ring S=C[xij] of polynomial functions on the vector space Cm×n of complex m×n matrices. We let GL=GLm(C)×GLn(C) and consider its action via row and column operations on Cm×n (and the… (More)

- Claudiu Raicu
- 2014

For d > 1, we consider the Veronese map of degree d on a complex vector space W , Ver_d : W -> Sym^d W , w -> w^d , and denote its image by Z. We describe the characters of the simple… (More)

For positive integers m n p, we compute the GLm GLn-equivariant description of the local cohomology modules of the polynomial ring SD Sym.C m C n / with support in the ideal of p p minors of the… (More)

- Claudiu Raicu
- 2013

We describe a formula for computing the product of the Young symmetrizer of a Young tableau with the Young symmetrizer of a subtableau, generalizing the classical quasi-idempotence of Young… (More)

These notes are based on three lectures given by the first author as part of an introductory workshop at MSRI for the program in Commutative Algebra, 2012-13. The notes follow the talks, but there… (More)

- Claudiu Raicu
- 2013

We provide a uniform vanishing result for the graded components of the finite length Koszul module associated to a subspace K inside the second exterior product of a vector space, as well as a sharp… (More)