316 reputation
15
bio website paolocapriotti.com
location Nottingham, United Kingdom
age 31
visits member for 2 years, 8 months
seen May 27 at 14:17

PhD student. Experience with: Haskell, Agda, Ruby, Python, C++.


May
26
comment Function from a set to a ring
You also need $S \neq \emptyset$.
Dec
13
awarded  Yearling
Dec
26
comment A step in showing that $\oplus_{i\in\mathbb Z}\mathbb Z$ is reflexive
Here is a complete proof.
Dec
23
awarded  Critic
Dec
22
comment Finding inverse of a difficult function
Note that inverting a polynomial is a strictly harder problem than finding a root, since you can get a root easily by plugging $0$ into the inverse.
Dec
22
revised Homotopy equivalence with a point need not be a deformation retract
added 256 characters in body
Dec
22
comment If an Abelian group $G$ has order $n$ and at most one subgroup of order $d$ for all $d$ dividing $n$ then $G$ is cyclic
Wouldn't that imply that $n$ is squarefree, although any cyclic group satisfies the requirement?
Dec
22
answered Homotopy equivalence with a point need not be a deformation retract
Dec
20
answered The smallest Galois extension of $\mathbb{Q}(x^3)$ containing $\mathbb{Q}(x)$
Dec
19
comment How does a set of functions form a monoid?
Well.. yes, that's the definition of monoid: associative binary operation with an identity element.
Dec
19
answered How does a set of functions form a monoid?
Dec
19
revised Is $\mathbb{N}$ with $\zeta^*$ uniformity totally bounded?
added 18 characters in body
Dec
19
revised Is $\mathbb{N}$ with $\zeta^*$ uniformity totally bounded?
fixed mistake about initial uniformity
Dec
19
revised Is $\mathbb{N}$ with $\zeta^*$ uniformity totally bounded?
typo
Dec
19
revised Is $\mathbb{N}$ with $\zeta^*$ uniformity totally bounded?
edited body
Dec
19
answered Is $\mathbb{N}$ with $\zeta^*$ uniformity totally bounded?
Dec
14
answered Condition that $\mbox{Char}(K) $ doesn't divide $m$ in the definition of $m$th cyclotomic extension of $K$
Dec
13
awarded  Editor
Dec
13
comment Why there is no continuous argument function on $\mathbb{C}\setminus\{0\}$?
Yep, sorry. Fixed.
Dec
13
revised Why there is no continuous argument function on $\mathbb{C}\setminus\{0\}$?
deleted 14 characters in body