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Michael Biro

Connecticut, United States

Assistant Professor in Residence at the University of Connecticut

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141
±1-random walk from 5 until 20 or broke
math.stackexchange.com

46
Crisis in my understanding of probability
math.stackexchange.com

45
What is the explanation for this visual proof of the sum of squares?
math.stackexchange.com

41
When, where and **how often** do you find polynomials of higher degrees than two in mathematical, pure/applied, research?
math.stackexchange.com

20
How closed-form conjectures are made?
mathoverflow.net

18
Prove that if a prime $p$ divides $5^n-2$ and $2^n-5$, then $p = 3$
math.stackexchange.com

17
Prove by induction that an expression is divisible by 11
math.stackexchange.com

17
Proof of the Hockey-Stick Identity: $\sum\limits_{t=0}^n \binom tk = \binom{n+1}{k+1}$
math.stackexchange.com

15
Proving integral is zero
math.stackexchange.com

15
A book in topology
mathoverflow.net

13
Prove that $1+ \frac{1}{x^4} \geq \frac{1}{x} + \frac{1}{x^3}$
math.stackexchange.com

12
Prove that in every graph with at least two vertices, there are at least two vertices which have the same degree?
math.stackexchange.com

11
What is the sum of $E=\frac{1}{3}+\frac{2}{3^{2}}+\frac{3}{3^{3}}+\frac{4}{3^{4}}+…$
math.stackexchange.com

10
“Elegant” way to assign 4 distinct objects into 4 bins
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10
A false conjecture by Goldbach
math.stackexchange.com

9
AB diagonalizable then BA also diagonalizable
math.stackexchange.com

9
Minimum degree of a graph at least $\frac{1}{2}(n-1)$ implies connectedness
math.stackexchange.com

9
Probability of getting ten unique numbers
math.stackexchange.com

9
Why does $(A-I)^2=0$ implies all eigenvalues of $A$ are $1$?
math.stackexchange.com

9
Is the series $\sum_{n=1}^\infty\frac{n-1}{n+\ln n}$ convergent?
math.stackexchange.com

9
Estimate on sum of $J_n^4$
mathoverflow.net

8
Solve $n + n/2 + n/4 + n/8 + \dots$ up to $\log n$ terms
math.stackexchange.com

8
A 4-Regular graph with 7 vertices is non planar
math.stackexchange.com

8
Find the remainder when $10^{400}$ is divided by 199?
math.stackexchange.com

8
Combinatorial proof of $\binom{nk}{2}=k\binom{n}{2}+n^2\binom{k}{2}$
math.stackexchange.com

8
How would you prove that a graph $G = (V, E)$ is a tree?
math.stackexchange.com

8
Eigenvalues of a row-reduced matrix on the main diagonal still?
math.stackexchange.com

7
Getting started: combinatorial optimization for computer scientists
mathoverflow.net

7
Smallest containing simplex
mathoverflow.net

7
Professor: “You're trying to take the union of an infinite number of sets, which is simply something you cannot do”
math.stackexchange.com

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