So this page which lets you search for the LaTeX for a maths symbol is pretty cool but really what I want (based on experience of something a lot of maths students need) is a page that on a similar search gives known names and common uses of the symbol perhaps with links to definitions on say, MathWorld or to connected searches using www. ( Read more... )

I asked, innocently, why Sheffield Wednesday is called that. I noted that, as a child, I had thought that perhaps there were less good (and therefore famous) Sheffield Monday, Tuesday, Thursday and Friday teams which played on their respective days. Clearly however, no one names a football team after a day of the week. Of course not: Sheffield ( Read more... )

Can anyone suggest a guide to general relativity for someone with a pure maths background? In particular I am interested in the exact solutions and their properties. There must be a book out there for someone who is happy with UG/PG algebra and analysis but who tended to avoid anything which involved a method and has a poor grasp of the ( Read more... )

It is possible that some of you might know the answer to this...  but I suspect the answer is that you can't currently do this. If you know this to be true a confirmation and any further information you have would be handy.

As explained at www.w3.org/TR/MathML2/chapter6.html#chars.BMP-SMP a fair number of quite important unicode symbols for ( Read more... )