Peter Shor

less info

network profile

1,599 reputation

517

bio	website	math.mit.edu/~shor
	location	Cambridge, MA
	age
visits	member for	2 years, 8 months
	seen	5 hours ago
stats	profile views	540

summary answers questions tags badges favorites bounties reputation activity

19 Answers

votes activity newest

18	In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?
16	Why would I want to multiply two polynomials?
12	Can a collection of subsets of N such that no one set contains another be uncountable?
11	Proving a certain type of poker game can always be won
10	Prove that Honeycomb Structures are the Most Geometrically Efficient Structure

view more

1,599 Reputation

+50	Characterizing multisets that are the sum of two permutations
+35	Singular value decomposition of positive definite matrix
+10	Is the product of two positive semidefinite matrices positive semidefinite?
+10	In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?

view more

1 Question

votes activity newest

10	Characterizing multisets that are the sum of two permutations

25 Tags

25 probability × 2	15 linear-algebra × 4
18 faq	15 computer-science × 2
17 combinatorics × 3	12 elementary-set-theory
16 matrices × 4	11 card-games
16 algebra-precalculus	10 geometry

view more

16 Accounts

	English Language & Usage	23,097 rep	3285
	Theoretical Computer Science	12,827 rep	14679
	Physics	4,296 rep	925
	Computer Science	2,311 rep	418
$Mathematics Stack Exchange$	Mathematics	1,599 rep	517

16 Badges

recent class name

Nice Question	Excavator
Scholar	Yearling × 2
Student	Enlightened × 2
Caucus	Necromancer
Nice Answer × 5	Commentator

view more

0 Active bounties

active offered earned

This user has no active bounties

164 Votes Cast

all time			by type			month		week		day
157	up		33	question		20		2		1
7	down		131	answer		20		2		1

Technology			Life / Arts	Culture / Recreation	Science	Other
Stack Overflow Server Fault Super User Web Applications Ask Ubuntu Webmasters Game Development TeX - LaTeX	Programmers Unix & Linux Ask Different (Apple) WordPress Answers Geographic Information Systems Electrical Engineering Android Enthusiasts IT Security	Database Administrators Drupal Answers SharePoint User Experience Mathematica more (14)	Photography Science Fiction & Fantasy Seasoned Advice (cooking) Home Improvement more (13)	English Language & Usage Skeptics Mi Yodeya (Judaism) Travel Christianity Arqade (gaming) Bicycles Role-playing Games more (21)	Mathematics Cross Validated (stats) Theoretical Computer Science Physics more (7)	Stack Apps Meta Stack Overflow Area 51 Stack Overflow Careers

site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required

rev 2013.6.17.742