johncarlosbaez

6 ms·

1. 31.▲
   A “mathematical phantom” is an object that does not exist, but acts as if it did(golem.ph.utexas.edu)

   2 points by johncarlosbaez 6y ago|0 comments
2. 32.▲
   24-cells in a 600-cell

   4 points by johncarlosbaez 6y ago|0 comments
3. 33.▲
   Unproved Formulas of Ramanujan?

   1 points by johncarlosbaez 6y ago|0 comments
4. 34.▲
   Ramanujan's Easiest Formula(johncarlosbaez.wordpress.com)

   215 points by johncarlosbaez 6y ago|63 comments
5. 35.▲
   Epidemological Modeling with Category Theory(johncarlosbaez.wordpress.com)

   3 points by johncarlosbaez 6y ago|0 comments
6. 36.▲
   by johncarlosbaez 7y ago

   I was saying that the temperature of the Universe in the far future will be about 0.000000000000000000000000000001 kelvin, if our current theories are correct. This is 10^(-30) kelvin.
7. 37.▲
   by johncarlosbaez 8y ago

   I wrote "Gauge Fields, Knots and Gravity", but we were talking about my uncle, who wrote "The New College Physics: a Spiral Approach".
8. 38.▲
   by johncarlosbaez 8y ago

   That book is great, but not mainly about algebraic geometry: it's more about differential geometry.
9. 39.▲
   by johncarlosbaez 8y ago

   My favorite intros to algebraic geometry are these: Igor R. Shafarevich, Basic Algebraic Geometry, two volumes, third edition, Springer, 2013. Phillip Griffiths and Joseph Harris, Principles of Algebraic Geometry, 1994. (Especially nice if
10. 40.▲
    by johncarlosbaez 8y ago

    Cool! It sounds fun. Back then she used to sing at the so-called Nameless Coffeehouse in Harvard. Unfortunately I was 7 years old in 1968, so I missed all this.