Erel Segal-Halevi's user avatar
Erel Segal-Halevi's user avatar
Erel Segal-Halevi's user avatar
Erel Segal-Halevi
  • Member for 11 years, 7 months
  • Last seen this week
30 votes
1 answer
533 views

How many nodes in the smallest $k$-dense graph?

26 votes
2 answers
822 views

Writing real numbers as sums of zeros and ones

25 votes
4 answers
996 views

square cake with raisins

19 votes
1 answer
406 views

Ordering people with friendship constraints

18 votes
2 answers
544 views

Largest rectangle not touching any rock in a square field

18 votes
4 answers
2k views

How fat is a triangle?

18 votes
2 answers
975 views

How many unit squares can overlap a given unit square without overlapping each other?

15 votes
2 answers
710 views

cutting a cake without destroying the toppings

12 votes
1 answer
2k views

Submitting for publication in American Mathematical Monthly

12 votes
2 answers
493 views

Length of a union of intervals

11 votes
2 answers
247 views

Is it always possible to cut disjoint 0.359 of two rectangles?

11 votes
2 answers
273 views

What are the functions for which ${f f''\over f'^2} < 2$?

10 votes
6 answers
878 views

How much is $\lceil\frac{1}{\infty}\rceil$?

10 votes
1 answer
193 views

Splitting a continuous monotonically-increasing function $f(x)$ as $h(x)+h(x+\epsilon) = f(x)$

9 votes
0 answers
195 views

Expected value of the maximum minimum set

9 votes
1 answer
1k views

Lyapunov Theorem for beginners

9 votes
3 answers
217 views

One square per person

9 votes
1 answer
412 views

Geometry and land

9 votes
0 answers
231 views

Is there a combinatorial proof to this inequality?

9 votes
1 answer
8k views

How to tell whether a curve has a regular parametrization?

8 votes
1 answer
6k views

Is there a meaning to the notation "\arg \sup"?

8 votes
1 answer
189 views

If $n={k^2 \choose k}$, then what is $k$?

8 votes
1 answer
130 views

Is the probability that half the sets are half red, more than half?

8 votes
1 answer
834 views

If a function is not-strictly-increasing, is there an interval on which it is weakly decreasing?

8 votes
1 answer
213 views

Largest rectangle bounded under a function

8 votes
1 answer
149 views

A function that crosses each horizontal line only finitely many times

8 votes
2 answers
441 views

Do two closed subsets of $[0, 1]$ with measure $\frac{1}{2}$ intersect?

8 votes
1 answer
744 views

Family of geometric shapes closed under division

7 votes
1 answer
532 views

number of potential couples

7 votes
3 answers
2k views

Smallest square containing a given triangle

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