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Mark Bennet's user avatar
Mark Bennet's user avatar
Mark Bennet's user avatar
Mark Bennet
  • Member for 13 years, 6 months
  • Last seen this week
  • Thatcham, United Kingdom
67 votes
28 answers
6k views

Is there a great mathematical example for a 12-year-old?

56 votes
3 answers
9k views

Cokernels - how to explain or get a good intuition of what they are or might be

29 votes
3 answers
3k views

What did Gauss think about infinity?

21 votes
8 answers
5k views

Properties of the number 50

21 votes
4 answers
1k views

How does this discontinuity occur in evaluating a nested square root?

14 votes
3 answers
5k views

Quintic polynomial with Galois Group $A_5$

13 votes
9 answers
2k views

What would be a good outdoor maths puzzle for children?

11 votes
3 answers
7k views

Pattern of orders of elements in a cyclic group

11 votes
2 answers
2k views

Generalised Hardy-Ramanujan Numbers

10 votes
1 answer
154 views

Understanding Dynkin Diagrams - any organising ideas - are they now adequately understood?

10 votes
0 answers
1k views

Recurrence relations with multiple roots of auxiliary equation

10 votes
3 answers
886 views

What counts as a "known" function

9 votes
2 answers
2k views

Motivating algebra from quadratic equations

8 votes
1 answer
65 views

Recurrence $u_{n+1}u_{n-1}-u_n^2=Ar^{n-1}$

8 votes
3 answers
598 views

Polynomial factorisation - absolute value of coefficients

6 votes
1 answer
124 views

On completing the square and symmetry

6 votes
0 answers
549 views

The difference between 10 and 9.99999 ... (recurring) [duplicate]

5 votes
2 answers
481 views

Tangents to a smooth convex curve in the plane

5 votes
2 answers
138 views

Ambiguous book titles in Mathematics [closed]

4 votes
1 answer
333 views

Covering eleven dots in the plane with eleven coins - counterexample?

4 votes
3 answers
81 views

Good ideas for communicating the joy of mathematics to nine and ten year olds

4 votes
2 answers
679 views

Finding the real roots of a polynomial

4 votes
1 answer
108 views

Odd marble out in $m$ weighings on a balance

4 votes
2 answers
2k views

How to choose between an odd number of options with a fair coin

3 votes
2 answers
484 views

Is there a text book containing a self-contained and complete proof of the Jordan Curve theorem?

3 votes
1 answer
447 views

Gauss on Quadratic Forms

2 votes
0 answers
50 views

Is $d(f(x))=xf'(x)/f(x)$ a useful indicator of the growth of a function?

2 votes
5 answers
181 views

Locating possible complex solutions to an equation involving a square root

1 vote
1 answer
87 views

Find a polynomial with roots which are functions of roots of an irreducible polynomial

1 vote
1 answer
167 views

Are there nonograms of odd dimensions with a strong property