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Análisis de Von Neumann para el método Local Discontinuous Galerkin en 1D
Paul Castillo Sergio Gómez

Resumen: Utilizando el análisis de von Neumann como herramienta teórica, se desarrolla un análisis sobre las condiciones de estabilidad de algunos métodos explícitos de avance en tiempo, en combinación con la discretización espacial Local Discontinuous Galerkin (LDG)

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On the nuclear trace of Fourier integral operators
Duván Cardona

Abstract: In this paper we characterise the r-nuclearity of Fourier integral operators on Lebesgue spaces. Fourier integral operators will be considered in ℝn, the discrete group ℤn, the n-dimensional torus and symmetric spaces (compact homogeneous manifolds). We also

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A survey of s-unital and locally unital rings
Patrik Nystedt

Abstract: We gather some classical results and examples that show strict inclusion between the families of unital rings, rings with enough idempotents, rings with sets of local units, locally unital rings, s-unital rings and idempotent rings.

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The asymptotic analysis of a Darcy-Stokes system coupled through a curved interface
Fernando A. Morales

Abstract: We present the asymptotic analysis of a Darcy-Stokes coupled system, modeling the fluid exchange between a narrow channel (Stokes flow) and a porous medium (Darcy flow), coupled through a C2 curved interface. The channel is a cylindrical domain between the in

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Oscillations in enzymatic reactions with periodic input

Abstract: In this work, we prove the existence of periodic solutions for some enzyme catalyzed reaction models subject to periodic substrate input. We also obtain uniqueness and asymptotic stability of the periodic solution of some classes of reaction equations. Numeri

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On some Chebyshev type inequalities for the complex integral
Silvestru Sever Dragomir

Abstract: Assume that f and g are continuous on γ, γ ⊂ ℂ is a piecewise smooth path parametrized by z (t) ,t ∈ a, b from z (a) = u to z (b) = w with w ≠ u, and the complex Chebyshev functional is defined by org.siir.client.entities.DispFormula@1d1d259 In this

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