5 January 2010

Weather

Unprecedented bad weather for long time now in Scotland and the whole UK. When I woke up today it was -9 C outside. It's warmer now, snowing heavily. We expect temperatures around -20 C in the weekend in certain parts of Scotland. It is said it's the coldest winter in 100 years. (Yes, it's colder in Novosibirsk, around -40 C, but it's normal there.)


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T H E B O T T O M L I N E

What measure theory is about

It's about counting, but when things get too large.
Put otherwise, it's about addition of positive numbers, but when these numbers are far too many.

The principle of dynamic programming

max_{x,y} [f(x) + g(x,y)] = max_x [f(x) + max_y g(x,y)]

The bottom line

Nuestras horas son minutos cuando esperamos saber y siglos cuando sabemos lo que se puede aprender.
(Our hours are minutes when we wait to learn and centuries when we know what is to be learnt.) --António Machado

 Αγεωμέτρητος μηδείς εισίτω.
(Those who do not know geometry may not enter.) --Plato

Sapere Aude! Habe Muth, dich deines eigenen Verstandes zu bedienen!
(Dare to know! Have courage to use your own reason!) --Kant