28 citations · 83 across the 41 of their papers we have counts for
46 papers · 1 filter
Ulrich bundles on smooth toric threefolds with Picard number
Debojyoti Bhattacharya, Francesco Malaspina
In this paper, we study Ulrich bundles on smooth toric threefolds with Picard number, namely …
Castelnuovo-Mumford Regularity over Scrolls and Splitting Criteria
F. Malaspina, G. Sankaran
We introduce and study a notion of Castelnuovo-Mumford regularity suitable for scrolls obtained as projectivisations of sums of line bundles on . We show that this is…
On Primitive Ulrich Bundles over a few projective varieties with Picard number two
Francesco Malaspina
We introduce the notion of primitive Ulrich bundle in a smooth projective variety. We motivate this notion and give a cohomological characterization in the case of the degree f…
Castelnuovo-Mumford Regularity and Splitting Criteria for Logarithmic Bundles over Rational Normal Scroll Surfaces
Roberta Di Gennaro, Francesco Malaspina
We introduce and study a notion of Castelnuovo-Mumford regularity suitable for rational normal scroll surfaces. In this setting we prove analogs of some classical properties. We pr…
't Hooft bundles on the complete flag threefold and moduli spaces of instantons
Vincenzo Antonelli, Francesco Malaspina, Simone Marchesi +1
In this work we study the moduli spaces of instanton bundles on the flag twistor space . We stratify them in terms of the minimal twist supporting global sections and…
Ulrich bundles of arbitrary rank on Segre-Veronese varieties
Francesco Malaspina
We generalize the results by Eisenbud and Schreyer about Ulrich bundles over Veronese varieties to Segre-Veronese varieties. We discuss the range where we have natural cohomology a…
Rank two bundles on P^n with isolated cohomology
F. Malaspina, A. P. Rao
The purpose of this paper is to study minimal monads associated to a rank two vector bundle on . In particular, we study situations where has…
H-instanton bundles on three-dimensional polarized projective varieties
Vincenzo Antonelli, Francesco Malaspina
We propose a notion of instanton bundle (called -instanton bundle) on any projective variety of dimension three polarized by a very ample divisor , that naturally generalizes…
Instanton bundles on the Segre threefold with Picard number three
Vincenzo Antonelli, Francesco Malaspina
We study instanton bundles on . We construct two different monads which are the analog of the monads for instanton bundles…
Instanton bundles on the blow up of the projective -space at a point
Gianfranco Casnati, Emre Coskun, Ozhan Genc +1
We propose a general definition of mathematical instanton bundle with given charge on any Fano threefold extending the classical definitions on and on Fano threefold…
Non-Ulrich representation type
Daniele Faenzi, Francesco Malaspina, Giangiacomo Sanna
We show that a smooth projective non-degenerate arithmetically Cohen-Macaulay subvariety X of P^N infinite Cohen-Macaulay type becomes of finite Cohen-Macaulay type by removing Ulr…
Cohomological Property of Vector Bundles on Biprojective Spaces
Francesco Malaspina, Chikashi Miyazaki
This paper investigates the cohomological property of vector bundles on biprojective space. We will give a criterion for a vector bundle to be isomorphic to the tensor product of p…
Instanton bundles on the flag variety F(0,1,2)
Francesco Malaspina, Simone Marchesi, Joan Pons-Llopis
Instanton bundles on have been at the core of the research in Algebraic Geometry during the last thirty years. Motivated by the recent extension of their definition…
Ulrich bundles on smooth projective varieties of minimal degree
Marian Aprodu, Sukmoon Huh, Francesco Malaspina +1
We classify the Ulrich vector bundles of arbitrary rank on smooth projective varieties of minimal degree. In the process, we prove the stability of the sheaves of relative differen…
Weighted Castelnuovo-Mumford Regularity and Weighted Global Generation
F. Malaspina, G. K. Sankaran
Weighted Castelnuovo-Mumford Regularity and Weighted Global GenerationWe introduce and study a notion of Castelnuovo-Mumford regularity suitable for weighted projective spaces.
ACM sheaves on the double plane
Edoardo Ballico, Sukmoon Huh, Francesco Malaspina +1
The goal of this paper is to start a study of aCM and Ulrich sheaves on non-integral projective varieties. We show that any aCM vector bundle of rank two on the double plane is a d…
Rank two aCM bundles on the del Pezzo threefold of degree
Gianfranco Casnati, Matej Filip, Francesco Malaspina
We classify indecomposable aCM bundles of rank on the del Pezzo threefold of degree and analyze the corresponding moduli spaces.
Rank two aCM bundles on the del Pezzo fourfold of degree and its general hyperplane section
Gianfranco Casnati, Daniele Faenzi, Francesco Malaspina
In the present paper we completely classify locally free sheaves of rank with vanishing intermediate cohomology modules on the image of the Segre embedding $\mathbb{P}^2\times\…
Globally generated vector bundles on with low first Chern classes
Edoardo Ballico, Sukmoon Huh, Francesco Malaspina
We classify globally generated vector bundles on with small first Chern class, i.e. , . Our…
Globally generated vector bundles on the Segre threefold with Picard number two
Edoardo Ballico, Sukmoon Huh, Francesco Malaspina
We classify globally generated vector bundles on with small first Chern class, i.e. , . Our main method is to investigate…
Globally generated vector bundles on complete intersection Calabi-Yau threefolds
Edoardo Ballico, Sukmoon Huh, Francesco Malaspina
We investigate the globally generated vector bundles on complete intersection Calabi-Yau threefolds with the first Chern class at most 2. We classify all the globally generated vec…
Surfaces of minimal degree of tame representation type and mutations of Cohen-Macaulay modules
Daniele Faenzi, Francesco Malaspina
We provide two examples of smooth projective surfaces of tame CM type, by showing that any parameter space of isomorphism classes of indecomposable ACM bundles with fixed rank and…
Horrocks Correspondence on ACM Varieties
F. Malaspina, A. P. Rao
We describe a vector bundle $\sE$ on a smooth -dimensional ACM variety in terms of its cohomological invariants $H^i_*(\sE)$, , and certain graded modules of "…
Moduli spaces of rank two aCM bundles on the Segre product of three projective lines
Gianfranco Casnati, Daniele Faenzi, Francesco Malaspina
Let P^n be the projective space of dimension n on an algebraically closed field of characteristic 0 and F be the image of the Segre embedding of P^1xP^1xP^1 inside P^7. In the pres…