12,131 reputation
21752
bio website
location Monkey Island, OK
age
visits member for 2 years, 3 months
seen 6 hours ago

Hello, I am a freshman at The National Autonomous University of Mexico (UNAM).

My interests are contest problems,elementary number theory, combinatorics, graph theory, linear algebra, group theory, abstract algebra and I have been meaning to learn category theory and matroids.


Sep
1
awarded  Popular Question
Aug
31
answered When $n$ is divided by $14$, the remainder is $10$. What is the remainder when $n$ is divided by $7$?
Aug
30
accepted recursive automata, or recursion mod 2.
Aug
29
revised recursive automata, or recursion mod 2.
deleted 274 characters in body
Aug
29
comment recursive automata, or recursion mod 2.
oh, that's right, my bad.
Aug
29
asked recursive automata, or recursion mod 2.
Aug
27
comment Stair flight problem
the cube roots are squared in the denominator.
Aug
27
revised every Abelian group is a converse lagrange theorem group
added 87 characters in body
Aug
27
accepted every Abelian group is a converse lagrange theorem group
Aug
27
comment every Abelian group is a converse lagrange theorem group
oops, my bad, $p$ should be a prime in the factorization of $n$. Yeah, I made a mistake when typing, is it ok then?
Aug
27
revised every Abelian group is a converse lagrange theorem group
edited title
Aug
27
comment every Abelian group is a converse lagrange theorem group
converse lagrange theorem it means the group has a subgroup of order $n$ for each divisor $n$ of $|G|$
Aug
27
revised every Abelian group is a converse lagrange theorem group
edited body
Aug
27
asked every Abelian group is a converse lagrange theorem group
Aug
26
revised Stair flight problem
added 174 characters in body
Aug
26
revised Stair flight problem
added 174 characters in body
Aug
26
answered Stair flight problem
Aug
26
comment If $G/K\cong H/K$ must $G\cong H$?
yes, this lesson has served me well, in this case these where very easy to understand, however I seem to have some trouble with other examples since I'm taking many of the courses from which the examples come simultaneously.
Aug
26
revised Does $G$ always have a subgroup isomorphic to $G/N$?
deleted 12 characters in body
Aug
26
accepted If $G/K\cong H/K$ must $G\cong H$?