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Tag Archive for: mathematical physics

dirac function

What Exactly is Dirac’s Delta Function?

August 29, 2025
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0 Comments
Introduction: "Convenient Notation"In Dirac's Principles of Quantum Mechanics published in 1930 he introduced a "convenient notation" he referred …
https://www.physicsforums.com/insights/wp-content/uploads/2025/08/dirac-function.png 135 240 jambaugh https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png jambaugh2025-08-29 06:51:272025-09-11 10:41:11What Exactly is Dirac’s Delta Function?
arnold

Arnold Neumaier Interview: QFT Foundations & Thermal

December 11, 2017
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39 Comments
Please give us a brief background on yourself Over 40 years ago, I studied mathematics, physics and computer science in Freiburg and Berlin (Germany).…
https://www.physicsforums.com/insights/wp-content/uploads/2017/12/arnold.png 135 240 Arnold Neumaier https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Arnold Neumaier2017-12-11 15:25:072026-01-22 10:04:06Arnold Neumaier Interview: QFT Foundations & Thermal
highercategorytheory

Why Higher Category Theory in Physics?

January 4, 2017
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30 Comments
 This here is my personal story. For an alternative introduction see my talk: Higher Structures in Mathematics and Physics.Initially,…
https://www.physicsforums.com/insights/wp-content/uploads/2017/01/highercategorytheory.png 135 240 Urs Schreiber https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Urs Schreiber2017-01-04 14:01:102024-12-06 21:31:21Why Higher Category Theory in Physics?
johnbaezp1

John Baez Interview — Mathematical Physicist & Networks

March 15, 2016
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20 Comments
We are proud to introduce you to Mathematical Physicist and PF member John Baez! Give us some background on yourself I'm interested in all kinds of mathematics…
https://www.physicsforums.com/insights/wp-content/uploads/2016/03/johnbaezp1.png 135 240 John Baez https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png John Baez2016-03-15 13:10:582026-01-22 10:33:58John Baez Interview — Mathematical Physicist & Networks
complexmath

Hear the Case for Learning Complex Math

February 3, 2016
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15 Comments
Resistance to complex math seems to never die out.  I see it frequently in PF posts.  Often it takes the form of challenges rather than questions. …
https://www.physicsforums.com/insights/wp-content/uploads/2016/02/complexmath.png 135 240 anorlunda https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png anorlunda2016-02-03 22:59:202024-09-02 09:36:36Hear the Case for Learning Complex Math
spacetime2

Struggles With The Continuum: Quantum Mechanics of Charged Particles

September 8, 2015
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39 Comments
 Last time we saw that nobody yet knows if Newtonian gravity, applied to point particles, truly succeeds in predicting the future. To be precise:…
https://www.physicsforums.com/insights/wp-content/uploads/2015/09/spacetime2.png 135 240 John Baez https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png John Baez2015-09-08 12:47:412021-04-17 10:52:13Struggles With The Continuum: Quantum Mechanics of Charged Particles

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