Contact E-mail
Follow MathPhys
- The First Image of a Supermassive Black Hole at the Heart of Milky Way Galaxy May 17, 2022
- Are Real Numbers Real? September 27, 2021
- Can $1+1$ be $1$? June 28, 2021
- Could the Great Deluge in the Bible have really happened? June 26, 2021
- Twitter and Math July 13, 2018
Follow Us on Twitter
-
Recent Posts
Recent Comments
- Infinite Series | MathPhys Archive on $\sum_{n=0}^\infty e^{nix}$ is Cesàro Summable
- Infinite Series | MathPhys Archive on $1+2+3+4+\cdots=-\frac{1}{12}$?
- Sung Lee on Doing Quantum Physics with Split-Complex Numbers
- dimcho dimov on Doing Quantum Physics with Split-Complex Numbers
- lawrence r mead on $\sum_{n=0}^\infty e^{nix}$ is Cesàro Summable
Categories
Meta
Category Archives: Foundations of Mathematics
Are Real Numbers Real?
Undoubtedly, real numbers are the most fundamental things to describe literally everything we know about our physical world, so questioning if real numbers are real may appear to be as silly as questioning if our world is real. But seriously, … Continue reading
Posted in Foundations of Mathematics
Leave a comment
Can $1+1$ be $1$?
$1+1=2$ is often quoted by laypeople (in mathematics) as an epitome of the absolute truth. Those who know a bit of mathematics know that that is not the case. For example, there is a number system where $1+1=0$. It is … Continue reading
Posted in Foundations of Mathematics
Leave a comment
$1+2+3+4+\cdots=-\frac{1}{12}$?
No, folks! I am not drunk nor I am pot-headed. Yet, I am about to discuss the crazy identity $$1+2+3+4+\cdots=-\frac{1}{12}.$$ No, I am not joking either. This is actually pretty serious mathematics and is also pretty serious stuff even to … Continue reading