Dennis Gulko

10,128 reputation

1233

bio	website	math.bgu.ac.il/~gulkod
	location	Beersheba, Israel
	age	26
visits	member for	2 years, 3 months
	seen	6 hours ago
stats	profile views	1,369

I'm a Ph.D. student at Ben-Gurion University of the Negev, Beer-Sheva, Israel.
My research interests include algebraic groups in general and linear groups in particular, representations of groups - in particular highly and sharply transitive representations.

	10,128 reputation	bio	website	math.bgu.ac.il/~gulkod	visits	member for	2 years, 3 months
1233 badges		location	Beersheba, Israel		seen	6 hours ago

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356 Answers

votes activity newest

18	If $f\circ g$ is continuous and $g$ is continuous what about $f$?
16	Calculate:$\displaystyle \int 5^{x+1}e^{2x-1}dx$
15	Divisibility of 9 and $(n-1)^3 + n^3 + (n+1)^3$
11	Non-negative integral solutions of $X_1+X_2+X_3+X_4<n$
9	How to evaluate $\int\limits^1_0 \sqrt{1+\frac{1}{x}}\, \text{d}x$

10,128 Reputation

+10	Are there infinitely many $A\in \mathbb{C}^{2 \times 2}$ satisfying $A^3 = A$?
+10	On group containing no subgroup of index 2
+10	Inverse of the function $f(x) = e^x + \arctan(x) = y$
+15	Develop the next function:$f(x)=\frac{4x+53}{x^2-x-30}$ into power series, Find the radius on convergence and find $f^{(20)}(0)$

9 Questions

votes activity newest

11	Does the Zariski closure of a maximal subgroup remain maximal?
6	Degeneracy of outerplanar graphs
5	Origin of a problem in graph theory/planar geometry
4	A graph with almost all degrees different
3	Examples of theorems in graph theory

127 Tags

124 homework × 53	52 algebra-precalculus × 25
121 linear-algebra × 72	52 abstract-algebra × 21
73 group-theory × 25	49 integral × 14
72 complex-analysis × 32	46 matrices × 25
62 calculus × 38	45 combinatorics × 25