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Miklós Schweitzer
2012 Miklós Schweitzer
4
4
Part of
2012 Miklós Schweitzer
Problems
(1)
Miklós Schweitzer 2012 P4
Source: Miklós Schweitzer 2012 P4
8/20/2018
Let
K
K
K
be a convex shape in the
n
n
n
dimensional space, having unit volume. Let
S
⊂
K
S \subset K
S
⊂
K
be a Lebesgue measurable set with measure at least
1
−
ε
1-\varepsilon
1
−
ε
, where
0
<
ε
<
1
/
3
0<\varepsilon<1/3
0
<
ε
<
1/3
. Prove that dilating
K
K
K
from its centroid by the ratio of
2
ε
ln
(
1
/
ε
)
2\varepsilon \ln(1/\varepsilon)
2
ε
ln
(
1/
ε
)
, the shape obtained contains the centroid of
S
S
S
.
college contests
geometry