Results 31 to 40 of about 188,835 (324)

On the relative projective space

open access: yesTheory and Applications of Categories, 2019
Let $(\mathcal C,\otimes,\mathbb 1)$ be an abelian symmetric monoidal category satisfying certain exactness conditions. In this paper we define a presheaf $\mathbb P^{n}_{\mathcal C}$ on the category of commutative algebras in $\mathcal C$ and we prove that this functor is a $\mathcal C$-scheme in the sense of Toen and Vaqui .
Data, Matias Ignacio   +1 more
openaire   +4 more sources

Generalized transversely projective structure on a transversely holomorphic foliation

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
The results of Biswas (2000) are extended to the situation of transversely projective foliations. In particular, it is shown that a transversely holomorphic foliation defined using everywhere locally nondegenerate maps to a projective space ℂℙn, and ...
Indranil Biswas
doaj   +1 more source

Invariants on Projective Space [PDF]

open access: yesJournal of the American Mathematical Society, 1994
The paper contains some new theorems and examples of constructions of invariant nonlinear differential operators on real \(n\)-spheres. The classical theory of H. Weyl is essentially and practically extended. The results concerning spheres are transferred to projective spaces.
openaire   +1 more source

On the Projective Algebra of Randers Metrics of Constant Flag Curvature

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2011
The collection of all projective vector fields on a Finsler space (M,F) is a finite-dimensional Lie algebra with respect to the usual Lie bracket, called the projective algebra denoted by p(M,F) and is the Lie algebra of the projective group P(M,F).
Mehdi Rafie-Rad, Bahman Rezaei
doaj   +1 more source

A Simple Approach to Achieve Modified Projective Synchronization between Two Different Chaotic Systems

open access: yesThe Scientific World Journal, 2013
A new approach, the projective system approach, is proposed to realize modified projective synchronization between two different chaotic systems. By simple analysis of trajectories in the phase space, a projective system of the original chaotic systems ...
Lei Wang, Bin Zhen, Jian Xu
doaj   +1 more source

Quantization of symplectic tori in a real polarization

open access: yes, 1996
We apply the geometric quantization method with real polarizations to the quantization of a symplectic torus. By quantizing with half-densities we canonically associate to the symplectic torus a projective Hilbert space and prove that the projective ...
Manoliu, Mihaela
core   +1 more source

Monads on projective spaces [PDF]

open access: yesCommunications in Algebra, 2000
This is a little investigation into the classification of complexes of direct sums of line bundles on projective spaces. We consider complexes on projective k-space Pk : O_Pk(-1)^a --> O_Pk^b --> O_Pk(1)^c, with the first map injective and the second map surjective. This is called a monad.
openaire   +2 more sources

Almost $\eta-$Ricci Solitons on Pseudosymmetric Lorentz Sasakian Space Forms

open access: yesCommunications in Advanced Mathematical Sciences, 2023
In this paper, we consider pseudosymmetric Lorentz Sasakian space forms admitting almost $\eta-$Ricci solitons in some curvature tensors. Ricci pseudosymmetry concepts of Lorentz Sasakian space forms admits $\eta-$Ricci soliton have introduced according ...
Mehmet Atçeken, Tuğba Mert
doaj   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Glicci ideals [PDF]

open access: yes, 2012
A central problem in liaison theory is to decide whether every arithmetically Cohen-Macaulay subscheme of projective $n$-space can be linked by a finite number of arithmetically Gorenstein schemes to a complete intersection.
Migliore, Juan, Nagel, Uwe
core  

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