Piotr Biler

Fractal porous media equation (2010)

Biler, Piotr, Imbert, Cyril, Karch, Grzegorz

We study a generalization of the porous medium equation involving nonlocal terms. In particular, the $L^p$ decay of solutions of the Cauchy problem is proved. Explicit self-similar solutions with...

Fractal porous media equation (2010)

Biler, Piotr, Imbert, Cyril, Karch, Grzegorz

We study a generalization of the porous medium equation involving nonlocal terms. In particular, the $L^p$ decay of solutions of the Cauchy problem is proved. Explicit self-similar solutions with...

Fractal porous media equation (2010)

Biler, Piotr, Imbert, Cyril, Karch, Grzegorz

We study a generalization of the porous medium equation involving nonlocal terms. In particular, the $L^p$ decay of solutions of the Cauchy problem is proved. Explicit self-similar solutions with...

Large mass self-similar solutions of the parabolic-parabolic Keller--Segel model of chemotaxis (2009)

Biler, Piotr, Corrias, Lucilla, Dolbeault, Jean

In two space dimensions, the parabolic-parabolic Keller--Segel system shares many properties with the parabolic-elliptic Keller--Segel system. In particular, solutions globally exist in both cases as...

Blowup of solutions to a diffusive aggregation model (2009)

Biler, Piotr, Karch, Grzegorz, Laurençot, Philippe

The nonexistence of global in time solutions is studied for a class of aggregation equations involving L\'evy diffusion operators and general interaction kernels.

Nonlinear diffusion of dislocation density and self-similar solutions (2009)

Biler, Piotr, Karch, Grzegorz, Monneau, Régis

We study a nonlinear pseudodifferential equation describing the dynamics of dislocations in crystals. The long time asymptotics of solutions is described by the self-similar profiles.

Nonlinear diffusion of dislocation density and self-similar solutions (2009)

Biler, Piotr, Karch, Grzegorz, Monneau, Régis

We study a nonlinear pseudodifferential equation describing the dynamics of dislocations in crystals. The long time asymptotics of solutions is described by the self-similar profiles.

Large mass self-similar solutions of the parabolic-parabolic Keller--Segel model of chemotaxis (2009)

Biler, Piotr, Corrias, Lucilla, Dolbeault, Jean

In two space dimensions, the parabolic-parabolic Keller--Segel system shares many properties with the parabolic-elliptic Keller--Segel system. In particular, solutions globally exist in both cases as...

Large mass self-similar solutions of the parabolic-parabolic Keller--Segel model of chemotaxis (2009)

Biler, Piotr, Corrias, Lucilla, Dolbeault, Jean

In two space dimensions, the parabolic-parabolic Keller--Segel system shares many properties with the parabolic-elliptic Keller--Segel system. In particular, solutions globally exist in both cases as...

Nonlinear diffusion of dislocation density and self-similar solutions (2008)

Biler, Piotr, Karch, Grzegorz, Monneau, Regis

We study a nonlinear pseudodifferential equation describing the dynamics of dislocations. The long time asymptotics of solutions is described by the self-similar profiles.

Blow up of solutions to generalized Keller--Segel model (2008)

Biler, Piotr, Karch, Grzegorz

The existence and nonexistence of global in time solutions is studied for a class of equations generalizing the chemotaxis model of Keller and Segel. These equations involve L\'evy diffusion...

On the parabolic-elliptic limit of the doubly parabolicKeller--Segelsystem modelling chemotaxis (2008)

Biler, Piotr, Brandolese, Lorenzo

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model,...

On the parabolic-elliptic limit of the doubly parabolic Keller--Segel system modelling chemotaxis (2008)

Biler, Piotr, Brandolese, Lorenzo

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model,...

On the parabolic-elliptic limit of the doubly parabolicKeller--Segelsystem modelling chemotaxis (2008)

Biler, Piotr, Brandolese, Lorenzo

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model,...

On the parabolic-elliptic limit of the doubly parabolic Keller--Segel system modelling chemotaxis (2008)

Biler, Piotr, Brandolese, Lorenzo

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model,...

On the parabolic-elliptic limit of the doubly parabolic Keller--Segel system modelling chemotaxis (2008)

Biler, Piotr, Brandolese, Lorenzo

We establish new convergence results, in strong topologies, for solutions of the parabolic-parabolic Keller--Segel system in the plane, to the corresponding solutions of the parabolic-elliptic model,...

and (2007)

Piotr Biler, Jean Dolbeault

Long time behavior of solutions to

2 (2007)

Piotr Biler, Jean Dolbeault, Maria J. Esteban

In this paper, we study type II Streater's models. These models describe the coupled evolution of the density of a cloud of particles in an external potential and a temperature, preserving the...

2 (2007)

Piotr Biler, Maria J. Esteban, Peter A. Markowich, Tadeusz Nadzieja

Steady states for Streater's energy-transport models of self-gravitating particles

2 (2007)

Piotr Biler, Maria J. Esteban, Peter A. Markowich, Tadeusz Nadzieja

Steady states for Streater's energy-transport models of self-gravitating particles

and (2007)

Piotr Biler, Jean Dolbeault

Long time behavior of solutions to

2 (2007)

Piotr Biler, Jean Dolbeault, Maria J. Esteban

In this paper, we study type II Streater's models. These models describe the coupled evolution of the density of a cloud of particles in an external potential and a temperature, preserving the...

Steady states for Streater's energy-transport models of self-gravitating particles (2007)

Piotr Biler, Jean Dolbeault, Maria J. Esteban, Peter A. Markowich, Tadeusz Nadzieja

We review Streater's energy-transport models which describe the temporal evolution of the density and temperature of a cloud of gravitating particles, coupled to a mean field Poisson equation....

Global existence versus blow up for some models of interacting particles (2006)

Biler, Piotr, Brandolese, Lorenzo

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion...

Global existence versus blow up for some models of interacting particles (2006)

Biler, Piotr, Brandolese, Lorenzo

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion...

Global existence versus blow up for some models of interacting particles (2006)

Biler, Piotr, Brandolese, Lorenzo

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion...

Global existence versus blow up for some models of interacting particles (2006)

Biler, Piotr, Brandolese, Lorenzo

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion...

Global existence versus blow up for some models of interacting particles (2006)

Biler, Piotr, Brandolese, Lorenzo

We study the global existence and space-time asymptotics of solutions for a class of nonlocal parabolic semilinear equations. Our models include the Nernst-Planck and the Debye-Hukel drift-diffusion...

Large time asymptotics of nonlinear driftdiffusion systems with Poisson coupling (1999)

Piotr Biler, Jean Dolbeault, Peter A. Markowich

We study the asymptotic behavior as t!+1 of a system of densities of charged particles satisfying nonlinear drift-diffusion equations coupled by a damped Poisson equation for the drift-potential. 1...

Large time asymptotics of nonlinear drift-diffusion systems with Poisson coupling (1999)

Piotr Biler, Jean Dolbeault, Peter A. Markowich

We study the asymptotic behavior as ... of a system of densities of charged particles satisfying nonlinear drift-diffusion equations coupled by a damped Poisson equation for the drift-potential. In...

Long time behavior of solutions to Nernst-Planck and Debye-Huckel drift-diffusion systems (1999)

Piotr Biler Mathematical, Piotr Biler, Jean Dolbeault

We study the convergence rates of solutions to drift-diffusion systems (arising from plasma, semiconductors and electrolytes theories) to their self-similar or steady states. This analysis involves...

Long time behavior of solutions to Nernst-Planck and Debye-Hückel drift-diffusion systems (1999)

Piotr Biler, Jean Dolbeault

We study the convergence rates of solutions to drift-diffusion systems (arising from plasma, semiconductors and electrolytes theories) to their self-similar or steady states. This analysis involves...

Blowup of solutions to a diffusive aggregation model (0000)

Biler , Piotr

The nonexistence of global in time solutions is studied for a class of aggregation equations involving Lévy diffusion operators and general interaction kernels.

Blowup of solutions to a diffusive aggregation model

Biler , Piotr

The nonexistence of global in time solutions is studied for a class of aggregation equations involving Lévy diffusion operators and general interaction kernels.