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2d

comment 
Counting number of primorial factors
$2^{n/log_2n}<2^n/2$ if $n>4$. 
2d

reviewed  Approve Decidability of matrix algebra 
2d

reviewed  Approve Algorithmic decidability of equality in the ring of periods 
Sep
1 
reviewed  Approve LaplaceBeltrami and averaging 
Sep
1 
reviewed  Reject and Edit What is $\sum (x+\mathbb{Z})^{2}$? 
Sep
1 
revised 
What is $\sum (x+\mathbb{Z})^{2}$?
deleted 1 character in body 
Aug
27 
reviewed  Approve How to find $B$ by solving the following linear system: $s_k$ $B$ ${s_k}^T$ $=1,$ 
Aug
26 
comment 
A variant frobenius problem
I think even that is difficult and that is itself an interesting case. 
Aug
26 
comment 
A question on representation of graphs
Do you have time to post update? 
Aug
21 
reviewed  Approve How should a mathematician approach the physics literature concerning percolation? 
Aug
21 
comment 
Area defined with $\pm$ closedness
@ThomasBloom No wonder I was getting nothing. 
Aug
21 
comment 
Area defined with $\pm$ closedness
@ThomasBloom I do not know BM inequality. Does it? 
Aug
21 
comment 
On Pell's equation
do you know answer to 1,2? 
Aug
21 
comment 
Incidence geometry and matrices
So this does not work either? 
Aug
20 
comment 
Quadratic Diophantine equation in $\mathbb Z[T]$
Did anyone test this answer? by plugging in numbers? 
Aug
20 
revised 
Area defined with $\pm$ closedness
edited tags 
Aug
20 
revised 
A variant frobenius problem
added 6 characters in body 
Aug
20 
comment 
On Pell's equation
corrected positivity. you are right $D<0$ in $(3)$ seems difficult even at $m=1$ and probably hopeless at general $m$. 
Aug
20 
revised 
On Pell's equation
added 22 characters in body 
Aug
20 
comment 
On Pell's equation
interesting! $1.$ Could you post as full answer? I did not know this. $2.$ Also supposing factoring is easy would it affect efficiency here? 