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Michael Biro

Connecticut, United States

Assistant Professor in Residence at the University of Connecticut

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142
±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
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16
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

14
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

11
What is the sum of $E=\frac{1}{3}+\frac{2}{3^{2}}+\frac{3}{3^{3}}+\frac{4}{3^{4}}+…$
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10
“Elegant” way to assign 4 distinct objects into 4 bins
math.stackexchange.com

10
Prove that in every graph with at least two vertices, there are at least two vertices which have the same degree?
math.stackexchange.com

10
A false conjecture by Goldbach
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9
Is the series $\sum_{n=1}^\infty\frac{n-1}{n+\ln n}$ convergent?
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
Estimate on sum of $J_n^4$
mathoverflow.net

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

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

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

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

8
A 4-Regular graph with 7 vertices is non planar
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8
Find the remainder when $10^{400}$ is divided by 199?
math.stackexchange.com

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

8
How would you prove that a graph $G = (V, E)$ is a tree?
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7
Draw a non-planar graph whose complement is a non-planar graph
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7
Is a closed set with the “unique nearest point” property convex?
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7
what's the summation of this finite sequence?
math.stackexchange.com

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