1,583 reputation
1433
bio website math.iupui.edu/~rperez
location Indianapolis
age 42
visits member for 3 years, 5 months
seen Apr 28 at 14:06

Associate Professor, IUPUI.
PhD: 2002, Stony Brook.
IMO: 1991


Jul
2
awarded  Curious
Jun
9
awarded  Nice Question
May
21
awarded  Popular Question
Apr
20
awarded  Favorite Question
Mar
26
awarded  Yearling
Jan
24
answered The Inverse of the Euler Totient Function
Jan
14
awarded  Nice Answer
Dec
24
comment Reversing shortest paths among unit disks
Maybe I'm missing something, but isn't your second example already a counterexample to Q1?
Nov
6
awarded  Favorite Question
Oct
30
awarded  Nice Answer
Oct
22
reviewed No Action Needed Is it possible to construct a formal group law from a Lie group without choosing coordinates?
Oct
19
reviewed No Action Needed Basic Questions on Elliptic Complex
Oct
1
awarded  Caucus
Sep
30
reviewed No Action Needed NP-hardness of sparsest cut
Sep
17
awarded  Good Question
Sep
10
awarded  Custodian
Sep
10
reviewed No Action Needed What is the maximum-entropy distribution given mean, variance, skewness, and kurtosis?
Aug
27
awarded  Nice Answer
Aug
23
awarded  Nice Answer
Aug
6
awarded  Notable Question