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Dennis Gulko

Beersheba, Israel

math.bgu.ac.il/~gulkod

Age: 26

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.

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Top Questions
Top Answers
18
If $f\circ g$ is continuous and $g$ is continuous what about $f$?
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16
Calculate:$\displaystyle \int 5^{x+1}e^{2x-1}dx$
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15
Divisibility of 9 and $(n-1)^3 + n^3 + (n+1)^3$
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11
Non-negative integral solutions of $X_1+X_2+X_3+X_4<n$
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9
How to evaluate $\int\limits^1_0 \sqrt{1+\frac{1}{x}}\, \text{d}x$
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8
Holomorphism of $f$ and $f^n$
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8
Is this subset a subspace?
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7
Eigenvalues of $A^*A$
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7
Inverse of the function $f(x) = e^x + \arctan(x) = y$
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7
How to find the closed form formula for this recurrence relation
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6
Recurrence relation (linear, second-order, constant coefficients)
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6
A question about binomial-coefficients
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6
number of combinations without repetition with limited supply
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6
How is the angle between 2 vectors in more than 3 dimensions defined?
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6
Find the square root
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6
What does $s^t$ mean in group theory?
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6
What does $m\mathbb Z/n\mathbb Z$ look like?
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6
To check whether $\mathrm{rank}(A)$ = $\mathrm{trace} (A)$
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6
Evaluate $12^{23} \pmod {73}$
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6
finding the real values of $x$ such that : $x=\sqrt{2+\sqrt{2-\sqrt{2+x}}}$
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5
Complex Integral
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5
Logarithmic inconsistency when integrating
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5
Subgroups of $\mathbb{Z}$?
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5
Is $K=K∩G_\alpha N=G_\alpha$ an error in this context?
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5
$PGL_2(q)$ acts on $\Omega$ $3-$transitively?
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5
Probability of getting some kinds of balls
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5
Can I use this as a proof?
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5
Example that $\int |f(x)| dx=\infty$ but $\int |f(x)|^2 dx <\infty$
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5
Prove that polynomial doesn't have integer zeroes
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5
Laplace transform of $x^a$
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