Canonical lift and exit law of the fundamental diffusion associated with a kleinian group
Nathanaël Enriquez, Jacques Franchi, Yves Le Jan (2001)
Séminaire de probabilités de Strasbourg
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Nathanaël Enriquez, Jacques Franchi, Yves Le Jan (2001)
Séminaire de probabilités de Strasbourg
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Hrabě, Jan
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An improved version of the Integrative Optical Imaging (IOI) method for diffusion measurements in a geometrically complex environment of the brain extracellular space has been developed. We present a theory for this Fast Optical Tracking Of Diffusion (FOTOD) which incorporates a time-dependent effective diffusion coefficient in homogeneous anisotropic media with time-dependent nonspecific linear clearance. FOTOD can be used to measure rapid changes in extracellular diffusion permeability...
Viera Paulíny-Tothová (1966)
Matematicko-fyzikálny časopis
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Rufus Bowen (1975)
Inventiones mathematicae
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Philippe Laurençot (2004)
Banach Center Publications
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The existence of a one-parameter family of stationary solutions to a fragmentation equation with size diffusion is established. The proof combines a fixed point argument and compactness techniques.
Russell Lyons (1986)
Inventiones mathematicae
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Rybář, Vojtěch, Vejchodský, Tomáš
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We study systems of two nonlinear reaction-diffusion partial differential equations undergoing diffusion driven instability. Such systems may have spatially inhomogeneous stationary solutions called Turing patterns. These solutions are typically non-unique and it is not clear how many of them exists. Since there are no analytical results available, we look for the number of distinct stationary solutions numerically. As a typical example, we investigate the reaction-diffusion system designed...
Yao-Zhong Hu (2000)
Séminaire de probabilités de Strasbourg
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J. F. Burrow, P. D. Baxter, J. W. Pitchford (2008)
Mathematical Modelling of Natural Phenomena
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It is well established that resource variability generated by spatial patchiness and turbulence is an important influence on the growth and recruitment of planktonic fish larvae. Empirical data show fractal-like prey distributions, and simulations indicate that scale-invariant foraging strategies may be optimal. Here we show how larval growth and recruitment in a turbulent environment can be formulated as a hitting time problem for a jump-diffusion process. We present two theoretical...