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Kissing the frog: A mathematician's guide to mating
... well with the real world, then trying to figure out what features of the real world you left out. Go back to step 3. Here's ... start to get some idea of what your number is. All of these features can be, and have been, added to mathematical models. There's more ...
plusadmin  4 Apr 2019  14:43  3 comments

What is dark matter?
... pattern, but a closer look discloses many identifiable features — light from major metropolises, oil wells alight in the Middle ... a billion light years away. These pictures reveal many faint features, streaks and arcs: each is a remote galaxy, several times further away ...
plusadmin  3 Apr 2019  16:17  7 comments

The physics of elementary particles: Part I
... in particle physics. By symmetry we mean immunity to change: features of a theory and the natural processes it describes remain the same ...
Marianne  5 Apr 2019  12:55  3 comments

What is dark energy?
... is the magnitude at each point in space and time. The only features of a scalar field are how fast it is changing over time — its ... expansion accelerated. This caused all sorts of observable features. It's the same sort of phenomenon as the current acceleration, and the ...
plusadmin  3 Apr 2019  10:43  6 comments

Births and deaths in fluid chaos
... time, Ouellette and Gollub decided to look for geometric features that characterise the whole flow. They were interested in two sets of ... scenario by a comparatively small number of geometric features. But there's much to do yet: "We haven't been able yet to express our ...
plusadmin  2 Apr 2019  16:58  0 comments

Cellular automata
... , published by Oxford University Press, with C. Sangwin, and features in the book 50 Visions of Mathematics ed. Sam Parc. ...
Marianne  2 Apr 2019  15:41  0 comments

Will machine learning replace mathematicians?
... , published by Oxford University Press, with C. Sangwin, and features in the book 50 Visions of Mathematics ed. Sam Parc. ...
Marianne  8 Mar 2019  17:25  0 comments

Machine learning: Is it ethical?
... , published by Oxford University Press, with C. Sangwin, and features in the book 50 Visions of Mathematics ed. Sam Parc. ...
Marianne  4 Mar 2019  15:27  0 comments

What is machine learning?
... analysis (PCA), which automatically extracts the main features of an image, for example its height, length, crossing points of lines ... in the world wide web. Secondly, from these extracted features we want to train the machine to then recognise the digit. A very ...
Marianne  6 Feb 2019  11:03  2 comments

Energetic maths
... , published by Oxford University Press, with C. Sangwin and features in the book 50 Visions of Mathematics ed. Sam Parc. ...
Rachel  6 Feb 2019  11:02  0 comments