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pdmclean
  • Member for 10 years, 3 months
  • Last seen this week
  • Hobart, Tasmania, Australia
7 votes
2 answers
10k views

Applications of Perfect Numbers

6 votes
4 answers
1k views

Further factorisation of a difference of cubes?

4 votes
1 answer
2k views

Drawing an approximation to a circle in isometric projection

4 votes
2 answers
143 views

Which numbers have square roots in $\mathbb Q(\phi)$?

4 votes
0 answers
245 views

Deriving Zernike Polynomials

4 votes
1 answer
537 views

Integers are to natural numbers as $p$-adic integers are to what?

3 votes
1 answer
459 views

What connects Fibonacci and Lucas numbers?

3 votes
4 answers
238 views

What is the group-like structure on $x^2+y^2+z^2-2xyz=1$?

3 votes
1 answer
1k views

Is a Field Norm a Norm?

3 votes
0 answers
138 views

Connections between Lambert ProductLog and Bernoulli numbers

3 votes
1 answer
597 views

Complex stationary point of $\frac{z}{1-e^{-z}}+z$?

3 votes
2 answers
1k views

Good book on Spherical Trigonometry

2 votes
1 answer
139 views

What are {face,edge,vertex} normal projections of polyhedra?

2 votes
1 answer
29 views

Do Algebraic Extensions have Inner Products?

2 votes
1 answer
457 views

Is $ 2.7182818281828...$ a semiconvergent of e?

1 vote
1 answer
877 views

How to show $K_5$ is not planar?

1 vote
0 answers
39 views

What is a projective range?

1 vote
0 answers
48 views

Definitions of BSpline

1 vote
1 answer
44 views

Smallest sample to produce n%

1 vote
1 answer
333 views

Intuition behind irrationality of $\pi$

0 votes
1 answer
276 views

Euler's Continued Fraction Theorem for fractions

0 votes
1 answer
22 views

When is $ a+b \phi >0$?

0 votes
0 answers
160 views

Factorization of seventh cyclotomic polynomial

0 votes
0 answers
121 views

Inversion of Rose Curve in Unit Circle

0 votes
1 answer
555 views

Must a Developable Surface be Tangent Developable or a Generalised Cone/Cylinder?

0 votes
1 answer
409 views

Representation of Algebraic Numbers as Matrices [closed]

0 votes
1 answer
26 views

Generalisation of remainder thereom [closed]