303 reputation
16
bio website cs.le.ac.uk/people/sj175
location Leicester, United Kingdom
age 25
visits member for 2 years, 7 months
seen Aug 19 at 11:27

PhD student at the university of Leicester.


May
21
comment Problems about symmetric groups
And this video: youtube.com/watch?v=8M4dUj7vZJc explains the episode and the proof very well.
May
11
revised Issues with text problems
fixed quotation marks
May
11
suggested suggested edit on Issues with text problems
May
11
comment Issues with text problems
I think this question is extremely difficult to answer. Personally, I don't believe that there is a "one size fits all" approach to problem solving which will work for everyone. Your general method of: (1)what do I have? (2)what do I want? (3)how do I turn what I have into what I want? Is as good as one can do, in general (in my opinion). The problem in this particular question seems to be that the student is unsure of what the question is actually asking them to calculate.
May
10
comment Trig limit of $\lim\limits_{x\to 0}\frac{\sin{6x}}{\sin{2x}}$
No problem, this site uses some form of latex for displaying equations, you have to surround the mathematics with \$ for an inline piece of mathematics and \$\$ for a "displayed" piece. en.wikipedia.org/wiki/LaTeX might be a good place to find out more.
May
10
revised Trig limit of $\lim\limits_{x\to 0}\frac{\sin{6x}}{\sin{2x}}$
Added latex notation
May
10
suggested suggested edit on Trig limit of $\lim\limits_{x\to 0}\frac{\sin{6x}}{\sin{2x}}$
May
4
answered About single-valued function
May
3
answered What's the meaning of a quadratic equation?
Apr
28
comment is it possible to get the Riemann zeros
I'm not entirely sure what you are asking but it seems to be related to what I'm about to say. It is entirely possible to calculate actual zeros of the Riemann-zeta function (up to some given height in the complex plane) and verify that they all(up to that height) lie on the critical line. This has been studied extensively, notably, by Odlyzko: dtc.umn.edu/~odlyzko All the information you would need to implement some algorithms and do some calculations yourself are in this well known and cheap book: amazon.com/Riemanns-Zeta-Function-Harold-Edwards/dp/0486417409
Apr
24
comment Subgroups in Group Theory?
As mentioned by Alastair Litterick, I think you are looking for this: en.wikipedia.org/wiki/Lagrange%27s_theorem_%28group_theory%29 but you should probably try to understand the basic definitions of groups, subgroups and cosets before you try to understand a proof of Lagrange's theorem.
Apr
23
comment Logical Equivalance
As said by countinghaus, truth tables consider every possible true/false assignment to each variable p, q and r. so you simply draw a table with the value of p, q, and r in it, you can then work out the value for q implies r for each row and then the value for p implies (q implies r) and similarly for the second expression, if the tables are the same then they are equivalent, but you will find that they differ on the row I mentioned. Have a look at en.wikipedia.org/wiki/Truth_table#Logical_implication for more information and an example.
Apr
23
answered Logical Equivalance
Mar
27
answered Group Theory Isomorphism $ |G|=10$ and $\mathbb{Z}_{10}$
Mar
26
awarded  Editor
Mar
26
revised $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$
The input to Wolfram was wrong, I changed it so that it was calculating the same limit that the OP asked for.
Mar
26
suggested suggested edit on $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$
Mar
16
awarded  Supporter
Mar
15
awarded  Teacher
Mar
15
answered Surjective Functions