Roland Bacher

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Name Roland Bacher
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Seen May 14 at 19:09
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Questions
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17

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27
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A limit involving binomial coefficients?

feb 7 12 at 11:59 Michael Stoll 1,025●2●9

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22
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6
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1k
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Useful tricks in experimental mathematics

may 6 at 5:48 Alon Amit 4,025●14●38

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1
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753
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Procreation with several genders

may 19 10 at 2:03 JBL 1,405●1●7●14

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3
answers
980
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Cutting convex sets

dec 3 10 at 20:02 Joseph O'Rourke 43.1k●1●49●214

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16
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3
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2k
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Explanation why $x,y,z$ are always variables

nov 30 11 at 13:55 Marc van Leeuwen 640●2●6

4

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2
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751
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Constants for Rolle’s Theorem applied to polynomials

jan 10 12 at 13:18 Emil Jeřábek 10.6k●1●24●41

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12
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6
answers
899
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An Erdős-Szekeres-type question

nov 4 11 at 13:13 François G. Dorais♦ 22.4k●2●48●113

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86

Answers
votes newest views recent
16
Can the circle be characterized by the following property?
13
Math puzzles for dinner
12
Thinking and Explaining
11
4900, a particularly square number
10
Probability of generating the symmetric group
10
Invertible matrices of natural numbers are permutations… why?
9
Can select many disjoint pairs with prescribed differences from Z_n?
9
The Problem about 2-coloring finite plane
8
The sparsest planar net that captures every unit segment
7
Experimental Mathematics
7
how can I minimise (n * y) (mod x) for known x and y, and for a given range of n?
7
Representation theory of $S_n$
6
Counting certain arrangements of n triangles. Does the count grow superexponentially?
6
How small can a sum of a few roots of unity be?
6
Examples where physical heuristics led to incorrect answers?
6
Is there an image for you that epitomizes mathematics?
5
Can a discrete set of the plane of uniform density intersect all large triangles? (3)
5
Finite subgroups of SL_2(Z) (reference request)
5
What would you want to see at the Museum of Mathematics?
5
Elementary+Short+Useful
5
What’s the difference between 2 and 3? (4)
5
minimal intersecting subsets
4
Classification of finite groups of isometries
3
Integral positive definite quadratic forms and graphs
3
Generating n-cycles
3
Can we uniquely define a graph to have the topology of a polytope via proper edge length selection?
3
Examples of theorems misapplied to non-mathematical contexts
3
Lipschitz function
3
Efficient computation of the least fraction with square denominator greater than the square root of 2.
3
The Ramanujan Problems.
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