20,028 reputation
1472134
bio website plaza.ufl.edu/gruberan
location Gainesville, FL
age
visits member for 3 years
seen 2 hours ago

$$\mathfrak{I}\text{ }\mathfrak{AM}\text{ }\mathfrak{A}\text{ }\mathfrak{GREAT}\text{ }\mathfrak{MAGICIAN!}$$

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did you know that cigarette lighters were invented before matches?


2h
revised Geometric definition of the stable commutator length
added 3 characters in body
3h
revised Listing equivalence relations class for $x\sim y \Leftrightarrow x^2=y^2$
added 7 characters in body; edited tags
4h
revised Solving a quadratic made from the sum of monomial denominators.
edited tags; edited title
4h
revised Prove or find a counter example to the claim that for all sets A,B,C if A ∩ B = B ∩ C = A ∩ C = Ø then A∩B∩C ≠ Ø
added 46 characters in body
4h
revised $Z(G)$ is not maximal subgroup of G
edited tags
4h
revised Weird probability question, probability on successive trials
edited tags
4h
revised The intersection of $[0,x)$ where $0<x\leq 1$ is $\{0\}$
added 1 character in body; edited tags; edited title
4h
revised Formula for $\sum \limits_ {i=1}^n a^i $?
added 26 characters in body; edited tags
4h
revised Finding the third point of an equilateral triangle in three dimensions.
added 161 characters in body; edited tags; edited title
4h
revised Prove that the number of solutions to $x^a = 1 \pmod p$ in $\mathbb Z_p^\times$ is $\gcd(a,p-1)$
deleted 52 characters in body; edited tags
4h
revised Is it true that $f: S\to S$ be a function: $(f \circ f)$ is bijejective if, and only if $f$ is bijective?
added 8 characters in body; edited tags; edited title
4h
revised Square numbers multiplied by non-square numbers
deleted 66 characters in body; edited tags; edited title
4h
revised If $3x - 2 = 7$, then $4x = \ldots \,\,?$
added 11 characters in body; edited tags; edited title
5h
revised Problem in a sequence where every number is square of its previous number.
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5h
revised Lower bound for $\ln x$ using Lagrange's mean value theorem or Rolle's theorem
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5h
revised Perfect squares that end in zero
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1d
awarded  Notable Question
1d
comment Structure of a group, $G$, of order $pq$ where $p, q$ are prime.
Have you searched this site for groups of order $pq$? This is almost certainly a duplicate.
Jul
28
comment $\operatorname{Aut}(S_4)$ is isomorphic to $S_4$
Maybe something could be done by decomposing $(abc)$ into $(ac)(bc)$.
Jul
26
comment Six Frogs - Puzzle
@hlapointe I made the diagrams in Mathematica.