A very occasional blog about maths things which interest me.
Saturday, 14 October 2017
Monty Hall
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Two weeks ago, on Saturday 30 September, two big names in mathematics died. Vladimir Voevodsky, who was only 51, made huge contributions to...
Saturday, 23 September 2017
How I won a jar of sweets
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I was the proud winner of the Greenwich University MathSoc "guess how many sweets in the jar" competition at the Welcome Fair thi...
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Monday, 12 June 2017
Greenwich Maths Time - a Festival of Mathematics
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Since it's only two weeks until the IMA Festival of Mathematics and its Applications at the University of Greenwich, which I am helping...
Tuesday, 9 May 2017
A Champions League Mathematical curiosity
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(Apologies for any reader who doesn't share my interest in football. You don't have to read on.) When I'm fed up marking, lik...
Monday, 1 May 2017
Something I'd forgotten
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One of my parents daily rituals was to change the date on a device on top of the bureau which displayed the day, date and month. My equival...
Saturday, 1 April 2017
How to use number theory to help bus travellers
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Living in London, I use buses a lot. Each day I catch a 180 or 199, ignoring the 188, 286 and others whcih don't take me home. I have ...
Sunday, 12 March 2017
Puzzles from my grandmother
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I have been reading the autobiography of one of my heroes - the great popular mathematics writer, Martin Gardner, who along with my school m...
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