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 Civic Duty
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Jun
12
comment Reorder adjacency matrices of regular graphs so they are the same
I think you are asking to solve (sub)graph isomorphism. For general graphs, we don't know a polynomial-time algorithm for either. That does not preclude better algorithms for your restricted class; I recommend a literature search with "(sub)graph isomorphism" and "regular graphs".
Jun
9
comment How n (1+b) is not prime?
Crossposted on Computer Science.
Jun
8
comment Determine whether the given set is countable
This seems to be a pure mathematics question. Is there a particular reason you are asking computer scientists instead of mathematicians?
May
7
comment Is the logarithm of $\aleph_0$ infinite?
You try to use number arithmetics on things that are not numbers. Prepare for pain.
Apr
7
awarded  Civic Duty
Mar
16
comment Achieving a target least common multiple
Please make clear how this is a computer science question. We can also migrate to Mathematics if you prefer.
Feb
18
comment What does the sign that looks like $\geq$ except with the bottom line being sloped mean?
@Greenonline If you (have to) use this outside source code, something is terribly wrong.
Feb
17
comment What does the sign that looks like $\geq$ except with the bottom line being sloped mean?
Every reasonable mathematics font will have both; usage is a matter of personal, stylistic choice.
Feb
17
comment What does the sign that looks like $\geq$ except with the bottom line being sloped mean?
@DaveClarke They are actually two different symbols, ≤ (Less-Than or Equal To) and ⩽ (Less-Than or Slanted Equal To).
Feb
10
comment Clique vs genus
What have you tried and where did you get stuck?
Jan
16
comment Abstract Algebra in analyzing computer science
Crossposted to cs.SE.
Jan
15
comment An example of a problem which is difficult but is made easier when a diagram is drawn
There are helpful drawings of Cantor's pairing function. This is not one of them.
Jan
9
comment Can mathematics get from other sciences what it got from physics?
Computer science, definitely. Arguably, the inspiration has been so strong that an entire new subfield of mathematics (theoretical computer science) has emerged.
Dec
31
awarded  Popular Question
Dec
15
awarded  Caucus
Dec
3
comment Matlab wrong cube root
FWIW, this is not (solely) a Matlab issue. Mathematica does the same: N @ (-1)^(1/3) → 0.5 + 0.866025i but CubeRoot[-1] → -1.
Nov
21
comment tensor product and composition (in monoidal category)
This indeed seems to be a pure mathematics question; migrating.
Nov
20
comment A number theoretical problem
This is a pure mathematics question without any obvious relation to CS (despite being part of a foundational mathematics curriculum for CS students). Hence, it belongs on Mathematics; I'm migrating it now.
Nov
20
comment Estimating the $\beta$th moment of a uniform random variable
This is a pure mathematics question without any obvious relation to CS (despite being part of a foundational mathematics curriculum for CS students). Hence, it belongs on Mathematics; I'm migrating it now.
Nov
9
awarded  Yearling