Lettre C2007-154 SYSTEME U CRS / VERGALI (Hypermarchés)
1 Define a weak
super
- and subsolutions for ?
u
= 0. 8. Let
u
be a ... B(x,R/2)
u
. 1.
The following
exercises
form a proof for the elliptic Harnack's inequality. 2.
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