RIP Mathematician Isadore Singer

In summary, Isadore Singer was a renowned mathematician who, along with Michael Atiyah, discovered the Atiyah-Singer Index Theorem in 1962. This theorem is considered one of the most significant discoveries in 20th century mathematics and has led to further developments in the fields of analysis, differential geometry, topology, and high-energy physics. Singer continued to play a leadership role in these interactions and even attempted to explain the theorem in a video at MIT. He also had a physics background, as he was an undergraduate student in the field.
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https://www.nytimes.com/2021/02/12/science/isadore-singer-dead.html

https://en.wikipedia.org/wiki/Isadore_Singer

https://math.mit.edu/directory/profile.php?pid=249
With Michael Atiyah, Singer proved the Atiyah-Singer Index Theorem in 1962, one of the most significant discoveries in 20th century mathematics, bridging widely different branches from analysis to differential geometry and topology. Its further development has paved the way for deeper interactions between mathematics and high-energy physics, of which Singer has continued a leadership role.



https://infinite.mit.edu/video/isadore-m-singer


t=35m11s for an attempt to explain the theorem

http://www.math.stonybrook.edu/Videos/SimonsLectures/

https://www.genealogy.math.ndsu.nodak.edu/id.php?id=6405
https://www.math.columbia.edu/~woit/wordpress/?p=12186
 
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He was a physics undergrad!
 

1. Who was Isadore Singer?

Isadore Singer was an American mathematician who made significant contributions to the fields of mathematics and physics. He is best known for his work in differential geometry and topology, and for his collaboration with mathematician Michael Atiyah on the Atiyah-Singer index theorem.

2. When did Isadore Singer pass away?

Isadore Singer passed away on February 11, 2021 at the age of 96.

3. What is the Atiyah-Singer index theorem?

The Atiyah-Singer index theorem is a fundamental result in mathematics that relates the topology of a manifold to the analytic properties of the differential operator on that manifold. It has important applications in many areas of mathematics and physics, including string theory and quantum field theory.

4. What other contributions did Isadore Singer make to mathematics?

In addition to his work on the Atiyah-Singer index theorem, Isadore Singer made significant contributions to the fields of differential geometry, topology, and mathematical physics. He also co-authored the influential textbook "A Course in Modern Analysis" with mathematician Barry Simon.

5. What is Isadore Singer's legacy in the field of mathematics?

Isadore Singer's legacy in the field of mathematics is significant and far-reaching. His work has had a profound impact on many areas of mathematics and physics, and his collaborations with other mathematicians have led to important breakthroughs in the field. He is also remembered for his mentorship and support of young mathematicians, and his dedication to promoting diversity and inclusivity in mathematics.

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