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Aug
26
comment mapping of local Pauli operators
Do $A$ and $B$ commute, so $[A,B]_-=0$ or the elements of them, i.e. $a_k\in A$ and $b_j\in B$, so $[a_k,b_j]_-=0$? What is k-local? What does $n$ mean? What is finite depth unitary? What have you tried?
Aug
26
comment Integers which are the sum of non-zero squares
Try this ` Table[PowersRepresentations[m, 5, 2], {m, 1, 100}] ` at W|A...looks like for $n>33$ you also always have five non-zero squares in your sum...
Aug
26
revised Unique Decomposition of Primes in Sums Of Higher Powers than $2$
edited body
Aug
26
comment Integers which are the sum of non-zero squares
Primes of the form $4k+1$ can be represented as $a^2+b^2$...
Aug
25
accepted The Adjacency Matrix of Symmetric Differences of any Subset of Faces has an Eigenvalue of $2$…?
Aug
20
comment Show that $W$ is a symplectic matrix i.e. $W^T J W=J$
+1 very interesting...
Aug
20
comment Decomposing an integer into primes raised to different powers
Run Shor's algorithm on a quantum computer for an answer in polynomial time...
Aug
20
revised The Adjacency Matrix of Symmetric Differences of any Subset of Faces has an Eigenvalue of $2$…?
typo
Aug
20
revised What kind of graph/group theoretical structure is that?
small typos
Aug
18
revised The Adjacency Matrix of Symmetric Differences of any Subset of Faces has an Eigenvalue of $2$…?
added 23 characters in body
Aug
18
revised What kind of graph/group theoretical structure is that?
added 1027 characters in body
Aug
17
comment The Adjacency Matrix of Symmetric Differences of any Subset of Faces has an Eigenvalue of $2$…?
I'll re-accept your answer after the bounty period...
Aug
17
asked What kind of graph/group theoretical structure is that?
Aug
17
revised How to find cubic non-snarks where the $\min(f_k)>6$ on surfaces with $\chi<0$?
added 8 characters in body
Aug
17
revised Euler, Grinberg,… who's next?
added 4 characters in body
Aug
17
revised The effect of roots of Dirichlet's $\beta$ function condenses to $\frac12\left(1+ie^{i2\pi\frac{p}4}\right)$
deleted 55 characters in body
Aug
13
revised Solve the equation $x(\log \log k - \log x) = \log k$
added 6 characters in body
Aug
13
reviewed Reviewed Find the volume of the largest right circular cone that can be inscribed in a sphere of radius r?
Aug
13
asked $\text{vec}\left(A\otimes B\right)$ is not $\text{vec}\left(A\right) \otimes \text{vec}\left(B\right)$
Aug
13
comment Euler, Grinberg,… who's next?
@MichaelBiro hmm, yes, see my answer...