I wanted to add how amazing it is personally to discover how much the
opportunities to learn math have changed in my own lifetime.
I got my Ph.D. in Math in 1993 from UCSD. My real interest was to
study math as a tool for philosophy, and I was fortunate to take some
classes in syntax, Kant, automata theory and do a lot of independent
study on my own philosophy. I really thought it would be best for me to
have, say, a four year encyclopedic course in advanced mathematics, but
instead had to do rather specialized research for my Ph.D. thesis.
At the time, the options were to take a class or read a textbook. I
don't think I ever had a teacher who really made math intuitive for me.
And so the classes ended up seeming quite obscure. There was absolutely
no big picture. The alternative was to simply pick up graduate level
textbooks and plow through them, doing the exercises. My high school
didn't offer calculus, so I managed to teach myself from a book one
summer. But I couldn't find sufficient motivation to do that for, say,
Fourier analysis or other disparate subjects.
Today with the Internet there is a world of difference.
* I can read thousands of Wikipedia articles on the most advanced math
subjects and concepts. I may not understand very much, but I can hop
around and around, and keep coming back. I don't have to study in
sequence. Which means that I can focus on subjects that seem most
central to the big picture.
* I can watch video lectures by accomplished teachers from around the
world. On a recent day I marveled that I watched Tadashi Tokieda of
Japan/France/US/UK teach Geometry and Topology in South Africa; Norman
Wildberger teach Universal Hyperbolic Geometry from Australia; T.E.
Venkata Balaji teach Algebraic Geometry from India; and Fredric Schuller
teach Geometrical Anatomy of Theoretical Physics from Germany.
* There are many online graduate textbooks or survey papers available as
PDFs for free. That removes a big obstacle. And
https://arxiv.org is a
repository where many mathematicians publish. I can publish there, too,
and perhaps be read and found.
* I can ask questions and watch others ask questions at
http://mathoverflow.net and
https://math.stackexchange.com Indeed, I
think I can build up a reputation there and become known without
publishing any papers. Some of the most accomplished mathematicians in
the world are active there. In a sense, it's possible to see
mathematicians think and to interact with them.
* There are some amazing bloggers like Joan Baez and Terrence Tao who
really make it seem possible to have an encyclopedic view of the big
picture in math.
* There is software available with which to do research on math
problems. And also to share results. It has become, I think, easier to
write in Latex, and I imagine, to create videos.
* There is the Math Future discussion. :)
Andrius
Andrius Kulikauskas
m...@ms.lt
+370 607 27 665
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