Esteban Crespi

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59
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location Madrid, Spain
age 50
visits member for 2 years, 7 months
seen 2 days ago
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19 Revisions

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Dec
1
 revised Galois group and the Quaternion group
added 1 characters in body
Dec
1
 revised Galois group and the Quaternion group
Added explanation
Nov
3
 revised Half the rationals?
Added a generalization
Oct
15
 revised Tiling a minimal perimeter region with $n$ unit squares
Sketch of proof
Apr
19
 revised Burgess on quadratic residues and non-residues
edited body
Apr
19
 revised Burgess on quadratic residues and non-residues
added 1406 characters in body
Apr
17
 revised Burgess on quadratic residues and non-residues
correction
Feb
21
 revised Is it a bad idea to use a Sieve of Eratosthenes to find all primes up to very large N?
added 1962 characters in body
Feb
21
 revised Is it a bad idea to use a Sieve of Eratosthenes to find all primes up to very large N?
added 1962 characters in body
Dec
19
 revised Consequence of Bertrand's Postulate
Correction of an error in the argument
Dec
15
 revised Consequence of Bertrand's Postulate
Clarification of the argument.
Jun
20
 revised Finding the integer $\le n$ with largest number of divisors
added 11 characters in body
Mar
13
 revised The number of symmetric polynomials of n degree
Error Corrected
Mar
13
 revised The number of symmetric polynomials of n degree
added 828 characters in body
Mar
11
 revised Find maximum divisors of a number in range
added 317 characters in body; added 2 characters in body
Mar
7
 revised Eisenstein series
added 476 characters in body
Dec
31
 revised Show that product of primes, $\prod_{k=1}^{\pi(n)} p_k < 4^n$
Corrected a wrong argument.
Dec
30
 revised Show that product of primes, $\prod_{k=1}^{\pi(n)} p_k < 4^n$
Improved formating
Dec
11
 revised How many ways can I make six moves on a Rubik's cube?
deleted 78 characters in body