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On Darboux theorems for geometric structures induced by closed forms
This work reviews the classical Darboux theorem for symplectic, presymplectic, and cosymplectic manifolds (which are used to describe mechanical...
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On the Extension-Closed Property for the Subcategory Tr(Ω2(mod −A))
We present a monomial quiver algebra A having the property that the subcategory Tr(Ω 2 (mod − A )) is not extension-closed. This answers a question...
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Invariance of the essential spectra of closed linear operator pencils on a Banach space
In this paper, we detail some results of the essential spectra of closed linear operators pencils defined on a Banach space X . This is done by...
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A numerical range approach to Birkhoff–James orthogonality with applications
The main aim of this paper is to provide characterizations of Birkhoff–James orthogonality (BJ-orthogonality in short) in a number of families of...
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Projective and conformal closed manifolds with a higher-rank lattice action
We prove global results about actions of cocompact lattices in higher-rank simple Lie groups on closed manifolds endowed with either a projective...
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Resonance Oscillations of Gas in a Closed Tube in the Presence of a Heterogeneous Temperature Field
AbstractA numerical modeling of non-linear oscillations of gas in a closed tube in consideration of a heterogeneous temperature field was done. A...
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On the Generalized Drazin–Riesz Inverse for Closed Linear Operators
We introduce and study the generalized Drazin–Riesz inverse for closed linear operators on a Banach space. Among other things, we extend some...
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Operators with a non-trivial closed invariant affine subspace
We are concerned with the question of the existence of an invariant proper affine subspace for an operator A on a complex Banach space. It turns out...
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Zero-Range Hamiltonian for a Bose Gas with an Impurity
We study the Hamiltonian for a system of N identical bosons interacting with an impurity, i.e., a different particle, via zero-range forces in...
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The common range of co-analytic Toeplitz operators on the Drury-Arveson space
We characterize the common range of the adjoints of cyclic multiplication operators on the Drury-Arveson space. We show that a function belongs to...
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Investigation of the Schumpeterian Dynamics with Heterogeneous Imitation Range
AbstractIn this paper we study the catch-up development with poor diffusion of new technologies. We present a modification of the Schumpeterian...
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Joint Sum-and-Max Limit for a Class of Long-Range Dependent Processes with Heavy Tails
We consider a class of stationary processes exhibiting both long-range dependence and heavy tails. Separate limit theorems for sums and for extremes...
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On Semialgebraic Range Reporting
Semialgebraic range searching, arguably the most general version of range searching, is a fundamental problem in computational geometry. In the...
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On the distribution of Alexander polynomials in certain families of closed braids
We study the distribution of arithmetic invariants associated to Alexander polynomials for certain infinite families of links. The families of links...
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Closed-form pricing formulas for variance swaps in the Heston model with stochastic long-run mean of variance
The Heston model is a popular stochastic volatility model in mathematical finance and it has been extended or modified in several ways by researchers...
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An Extended Range of Energy Stable Flux Reconstruction Methods on Triangles
We present an extended range of stable flux reconstruction (FR) methods on triangles through the development and application of the...
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Increasing the Angular Resolution and Range of Measuring Systems Using Ultra-Wideband Signals
AbstractThe problem of obtaining three-dimensional radio images of objects with increased resolution based on the use of ultra-wide-band pulse...
