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Oct
11
revised odds / percent is the game flawed or this seem accurate
Formatting, no need for signature
Oct
9
revised What is the difference between the terms 'equation' and 'algorithm'?
This admits a definitive answer and hence is not a "soft question"
Oct
8
revised Which complete graphs are (edge) magic?
added 1 characters in body
Oct
8
revised Which complete graphs are (edge) magic?
added 46 characters in body
Sep
18
revised Proof for solar declination angle?
added 764 characters in body
Sep
17
revised Proof for solar declination angle?
deleted 40 characters in body
Sep
17
revised Proof for solar declination angle?
Grammar, LaTeX
Sep
17
revised History of the theory of equations: John Colson
Remove the link to the wrong paper to avoid confusing more people
Sep
16
revised Kaprekar's constant-related problem
Add graph
Sep
16
revised Kaprekar's constant-related problem
edited body
Sep
15
revised Find all $n\in\mathbb{Z}^+$ satisfying : $n\mid(2^{\varphi(n)}+3^{\varphi(n)}+\cdots +n^{\varphi(n)}).$
Fix a misplaced }
Sep
13
revised Prove that every practical number is either a power of two or a power of two times a non-trivial polygonal number
Don't need the Stewart/Sierpinski characterisation for these cases - that was a hangover from previous thinking
Sep
11
revised How find this vmatrix of this $a_{n}=\frac{(2n-1)!!}{(2n)!!}$
Close the loop on the generating functions
Sep
11
revised How find this vmatrix of this $a_{n}=\frac{(2n-1)!!}{(2n)!!}$
Eliminate a long derivation in favour of a reference which gives a more elegant form; complete the proof of my hypothesised closed form
Sep
11
revised How find this vmatrix of this $a_{n}=\frac{(2n-1)!!}{(2n)!!}$
Alternative closed forms; thoughts towards an inductive proof
Sep
11
revised How find this vmatrix of this $a_{n}=\frac{(2n-1)!!}{(2n)!!}$
added 70 characters in body
Sep
11
revised How find this vmatrix of this $a_{n}=\frac{(2n-1)!!}{(2n)!!}$
added 276 characters in body
Sep
10
revised In a complete lattice every monotone function has a fixpoint (Knaster–Tarski Theorem)
http://meta.math.stackexchange.com/questions/8485/how-civil-should-we-be
Aug
17
revised How to get count of digits of a number
edited tags
Aug
14
revised proofs for combinatorial identities?
Correct index of summation