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Seva

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Name Seva
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36

Questions
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16

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The maximal “nearly convex” function

feb 9 12 at 17:28 Seva 5,073●1●8●27

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17
votes
2
answers
816
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Erdős-Szekeres for first differences

mar 16 12 at 13:21 Seva 5,073●1●8●27

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4
16
votes
4
answers
873
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A mixing property for finite fields of characteristic $2$

aug 7 at 19:38 Seva 5,073●1●8●27

4

5
14
votes
1
answer
719
views

How to keep subsets disjoint?

apr 12 11 at 6:10 Seva 5,073●1●8●27

4
13
votes
2
answers
801
views

Arithmetic progressions in power sequences

oct 25 11 at 10:19 François Brunault 7,634●1●14●37

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3

1 2 3 4 next

 

47

Answers
votes newest views recent
12
Sums of powers mod p
9
Randomly contracting edges of a graph - expected number of vertices?
9
The Second Moment of a Sum of Floor Functions
9
Lower bound for exponential sums.
8
Is the norm of a $0-1$ matrix (almost) attained on a $0-1$ vector?
8
More open problems
8
A question regarding simultaneous congruences
8
Can you cover the Boolean cube {0,1}^n with O(1) Hamming-balls each of radius n/2-c*sqrt(n)?
7
Minimum cardinality of a difference set in $R^n$
7
Structure of nonaveraging sets of integers (2)
7
The phenomena of eventual counterexamples
7
How to recognise that the polynomial method might work
7
How large can a non-sumset be?
6
Spectral radius of a proper subgraph
5
Covering a (hyper)cube with lines
5
A mixing property of linear map over finite fields
5
How many vectors of Hamming weight L in “random” K dimensional subspace of F_2^N ? Or how good/bad is random linear block code ?
5
Additive set with small sum set and large difference set
5
Number of integers coprime to l
4
There exists B subset A, |B| = log n, A \cap 2*B = \emptyset
4
Additive Combinatorics - reference request
4
Automorphism Group of Paley Graph
4
An “Average” Erdős–Turán conjecture
4
Find the maximum set whose subset sum is unique for every of its subset.
4
The definition of dissipative set
4
Projecting the unit cube onto subspaces
3
A large deviation / binomial coefficients bound
3
Determining the vector space for application of Cauchy Schwarz
3
Polynomials on the Unit Circle
3
Generalized tic-tac-toe
1 2 next

 

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