Beni Bogosel

less info

network profile

10,573 reputation

21671

bio	website	mathproblems123.wordpress.com
	location	Chambery, France
	age	25
visits	member for	2 years, 4 months
	seen	yesterday
stats	profile views	1,531

PHD - interests: PDE, Free boundaries, Shape Optimization

summary answers questions tags badges favorites bounties reputation activity

271 Answers

votes activity newest

20	Elementary proof of $m^n\neq n^m$ for almost all natural numbers $m\neq n$
17	For complex $z$, $\|z\| = 1 \implies \text{Re}\left(\frac{1-z}{1+z}\right) = 0$
17	Inequality: $(x + y + z)^3 \geq 27 xyz$
14	How are the integral parts of $(9 + 4\sqrt{5})^n$ and $(9 − 4\sqrt{5})^n$ related to the parity of $n$?
13	Evaluating $\displaystyle\lim_{x \to 0}\frac{1-\cos (1- \cos x)}{x^4}$

view more

10,573 Reputation

+10	Intersection of regularly open sets is regularly open
+20	very elementary proof of Maxwell's theorem
+10	Representation for increasing function on unit square
+10	proof continuity of a multivariable function

view more

73 Questions

votes activity newest

39	Double sum - Miklos Schweitzer 2010
34	Putting many disks in the unit square
20	Old AMM problem
18	“Immediate” Applications of Differential Geometry
17	Picard's Little Theorem Proofs

view more

149 Tags

156 calculus × 43	59 linear-algebra × 22
152 real-analysis × 57	51 analysis × 20
101 homework × 40	51 sequences-and-series × 20
74 limit × 21	50 elementary-number-theory × 9
74 algebra-precalculus × 13	37 inequality × 13

view more

13 Accounts

$Mathematics Stack Exchange$	Mathematics	10,573 rep	21671
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	270 rep	210
	Ask Ubuntu	270 rep	1313
	Stack Overflow	197 rep	9
	Physics	150 rep	110

43 Badges

recent class name

Popular Question × 5	homework
Cleanup	Nice Answer × 15
Yearling × 2	Enlightened × 6
Custodian × 5	Constituent × 2
Necromancer	Caucus × 2

view more

0 Active bounties

active offered earned

This user has no active bounties

1,873 Votes Cast

all time			by type			month		week
1,822	up		1,028	question		14		5
51	down		845	answer		14		5

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 2013.6.19.751