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Preprint Teks lengkap
On a model for the storage of files on a hardware II : Evolution of a typical data block
We consider a generalized version in continuous time of the parking problem of Knuth. Files arrive following a Poisson point process and are stored on a hardware identified with the real line, at the right of their arrival point. We study here the evolution of the extremities of the data block…
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Preprint Teks lengkap
Free-Knot Spline Approximation of Stochastic Processes
We study optimal approximation of stochastic processes by polynomial splines with free knots. The number of free knots is either a priori fixed or may depend on the particular trajectory. For the $s$-fold integrated Wiener process as well as for scalar diffusion processes we determine the…
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Preprint Teks lengkap
On the failure of the Gorenstein property for Hecke algebras of prime weight
In this article we report on extensive calculations concerning the Gorenstein defect for Hecke algebras of spaces of modular forms of prime weight p at maximal ideals of residue characteristic p such that the attached mod p Galois representation is unramified at p and the Frobenius at p acts by…
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Preprint Teks lengkap
Multiplicities of Galois representations of weight one (with an appendix by Niko Naumann)
In this article we consider mod p modular Galois representations which are unramified at p such that the Frobenius element at p acts through a scalar matrix. The principal result states that the multiplicity of any such representation is bigger than 1.
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Preprint Teks lengkap
An explicit mapping between the frequency domain and the time domain representations of nonlinear systems
Explicit expressions are presented that describe the input-output behaviour of a nonlinear system in both the frequency and the time domain. The expressions are based on a set of coefficients that do not depend on the input to the system and are universal for a given system. The anharmonic…
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Preprint Teks lengkap
Unipotent elements in small characteristic, II
Let G be a special orthogonal group over an algebraically closed field of characteristic exponent p. In this paper we extend certain aspects of the Dynkin-Kostant theory of unipotent elements in G (when p=1) to the general case (including p=2).
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Preprint Teks lengkap
Attractors for the viscous Camassa-Holm equation
We show that the viscous Camassa-Holm equation subject to an external force, and where the viscosity term is given by second order differential operator in divergence form has a global attractors in the energy space $H^1$. Moreover, we establish an asymptotic smoothing effect.
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Preprint Teks lengkap
Adams operations in cohomotopy
We study a collection of operations on the cohomotopy of any space, with which it becomes a "beta-ring", an algebraic structure analogous to a lambda-ring. In particular, this ring possesses Adams operations, represented by maps on the infinite loop space of the sphere spectrum. We compute their…
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Preprint Teks lengkap
Average velocity and effective diffusion of a Brownian particle driven by a constant force over a static periodic potential
In this manuscript, we consider the case where a Brownian particle is subject to a static periodic potential and is driven by a constant force. We derive analytic formulas for the average velocity and the effective diffusion.
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Preprint Teks lengkap
Life cycle of a minimal protocell - a dissipative particle dynamics (DPD) study
Cross-reactions and other systematic issues generated by the coupling of functional chemical subsystems pose the largest challenge for assembling a viable protocell in the laboratory. Our current work seeks to identify and clarify such key issues as we represent and analyze in simulation a full…
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Preprint Teks lengkap
Investigating Diffusion Coefficient Using Dynamic Light Scattering Technique
In this work, the Z-average, effective, apparent diffusion coefficients and their poly-dispersity indexes were investigated for dilute poly-disperse homogeneous spherical particles in dispersion where the Rayleigh-Gans-Debye approximation is valid. The results reveal that the values of the apparent…
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Preprint Teks lengkap
Temperature bistability of charged dust particle in plasma
By computer numerical simulation of heating of a dust conducting particle in homogeneous plasma it was shown that depending on initial temperature of a particle both heating and cooling were possible with formation of two different quasi-stable conditions - temperature bistability. The "hot"…
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Preprint Teks lengkap
Second-order nonlinear mixing in planar photonic crystal microcavities
Second-harmonic and sum-frequency mixing phenomena associated with 3D-localized photonic modes are studied in InP-based planar photonic crystal microcavities excited by short-pulse radiation near 1550 nm. Three-missing-hole microcavities that support two closely-spaced modes exhibit rich…
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Preprint Teks lengkap
Phase Transition in Simplest Plasma Models
The properties of the first-order phase transition in a set of plasma models with common feature - absence of individual correlations between charges of op-posite sign, have been studied. Predicted discontinuities in equilibrium non-uniform charge profiles have been calculated for the case of…
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Buku
L’Operació Fòrum, entre el 92 i la Sagrera
El Fòrum es va presentar com un esdeveniment internacional itinerant, centrat en els valors i els grans reptes del món globalitzat
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Buku Teks lengkap
Implications of the Euro
To date, critical analysis of the EMU project has largely been advanced from the centre-right spectrum of British politics. Comparable questions from the centre-left have failed to find a coherent voice. Although, the European fault-line cannot be characterized as a neat Left-Right issue there are…
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Buku
Why Dogs Stopped Flying
The solid rightness of image after image in Ken Brewer's poetry was never better than in Why Dogs Stopped Flying. His familiar style is plain-spoken, his humor reliable and self-ironic. Yet, in this collection perhaps more than his earlier work, the particularity of the poet's insight into the…
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Buku Teks lengkap
The Collapse of Communist Power in Poland
Based on extensive original research, including interviews with key participants, this book investigates the sudden and unforeseen collapse of communist power in Poland in 1989. It sets out the sequence of events, and examines the strategies of the various political groupings prior to the partially…
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Buku
El exilio en la España contemporánea
Inaugural lesson of the 2006/2007 academic year at the University of Murcia, by the professor Juan Bautista Vilar Ramírez.
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Buku Teks lengkap
香港‧文化‧研究
The essays in this collection share several common themes: A focus on everyday life; Interdisciplinary approaches; An emphasis on the humanities within scientific inquiry. Building on these shared foundations, the authors conduct detailed studies that span from historical perspectives to…
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