Mathematics Discussions (18)

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Fractal Fourier Analysis

Fractal geometry: Finding the simple patterns in a complex world Professor Michael Barnsley invented a new way to uncover the simple patter…

Started by Ruth Anthony-Gardner

0 Dec 3

January and Exponential Ebola

The greatest shortcoming of the human race is the inability to understand the exponential function. Dr. Albert Bartlett Will this shortcomi…

Started by Ruth Anthony-Gardner

3 Oct 24
Reply by Ruth Anthony-Gardner

Very cute math problem

Suppose  a_0, a_1, ..., a_n, ...  are positive integers, and  a_0 < a_1 < ... < a_n < ...  Prove there's a unique  n  >= 1,…

Started by Luara

0 Jul 31

Puzzle in real analysis

Suppose f is a continuous function on some open subset S of the real numbers, to the positive real numbers.  Suppose the integral of f over…

Started by Luara

4 Apr 19
Reply by Luara

1+2+3+4+5+... = -1/12

A strange derivation: This sum 1+2+3+... = -1/12 is used in physics a lot believe it or not. This can be rationalized sort of: The Riemann…

Started by Luara

16 Mar 4
Reply by Luara

p-adics for undergraduates!

I just finished reading the course in p-adics for undergraduates that I found online, making various annotations.  It turns out this was a…

Started by Luara

0 Jan 12

Speaking of math errors ...

I found this false lemma in a math text online: Suppose f: A --> B is a monotone bijection between two subsets of R (the real numbers). …

Started by Luara

3 Jan 5
Reply by Luara

Progress on twin primes conjecture by a non-expert

The twin primes conjecture says there are infinitely many primes  p  such that  p+2  is also prime.  A new proof by a mathematician who isn…

Started by Luara

0 Sep 22, 2013

Math and physics popularizations with substance

There's a style of "popular" books about math and physics that involves actually learning some of the math and physics.  They don't just ta…

Started by Luara

3 Jun 9, 2013
Reply by Luara

Math for Amateurs?

Is there such a thing as an amateur mathematician? I mean I am slowly becoming infatuated with math and numbers, especially their abstract…

Started by Ronni

5 Mar 2, 2013
Reply by Luara

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