A remark on the transport equation with b ∈ BV and d i v x b B M O

Paweł Subko

Colloquium Mathematicae (2014)

  • Volume: 135, Issue: 1, page 113-125
  • ISSN: 0010-1354

Abstract

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We investigate the transport equation t u ( t , x ) + b ( t , x ) · D x u ( t , x ) = 0 . Our result improves the classical criteria of uniqueness of weak solutions in the case of irregular coefficients: b ∈ BV, d i v x b B M O . To obtain our result we use a procedure similar to DiPerna and Lions’s one developed for Sobolev vector fields. We apply renormalization theory for BV vector fields and logarithmic type inequalities to obtain energy estimates.

How to cite

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Paweł Subko. "A remark on the transport equation with b ∈ BV and $div_{x} b ∈ BMO$." Colloquium Mathematicae 135.1 (2014): 113-125. <http://eudml.org/doc/284145>.

@article{PawełSubko2014,
abstract = {We investigate the transport equation $∂_\{t\}u(t,x) + b(t,x)·D_\{x\}u(t,x) = 0$. Our result improves the classical criteria of uniqueness of weak solutions in the case of irregular coefficients: b ∈ BV, $div_x b ∈ BMO$. To obtain our result we use a procedure similar to DiPerna and Lions’s one developed for Sobolev vector fields. We apply renormalization theory for BV vector fields and logarithmic type inequalities to obtain energy estimates.},
author = {Paweł Subko},
journal = {Colloquium Mathematicae},
language = {eng},
number = {1},
pages = {113-125},
title = {A remark on the transport equation with b ∈ BV and $div_\{x\} b ∈ BMO$},
url = {http://eudml.org/doc/284145},
volume = {135},
year = {2014},
}

TY - JOUR
AU - Paweł Subko
TI - A remark on the transport equation with b ∈ BV and $div_{x} b ∈ BMO$
JO - Colloquium Mathematicae
PY - 2014
VL - 135
IS - 1
SP - 113
EP - 125
AB - We investigate the transport equation $∂_{t}u(t,x) + b(t,x)·D_{x}u(t,x) = 0$. Our result improves the classical criteria of uniqueness of weak solutions in the case of irregular coefficients: b ∈ BV, $div_x b ∈ BMO$. To obtain our result we use a procedure similar to DiPerna and Lions’s one developed for Sobolev vector fields. We apply renormalization theory for BV vector fields and logarithmic type inequalities to obtain energy estimates.
LA - eng
UR - http://eudml.org/doc/284145
ER -

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