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Phymaths podcast: Daily Summaries Delivered
by Hassaan Saleem
A podcast to discuss the ideas that are at the forefront of fundamental theoretical physics and mathematics.
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The most recent episodes — sign up to get AI-powered summaries of each one.
- 1 weeks ago1h 20m
Phymaths podcast # 77 || Dr. John Schwarz
DescriptionDr. John Schwarz is the Harold Brown Professor of Theoretical Physics, Emeritus, at the California Institute of Technology (Caltech). He is one of the pioneers of superstring theory and played a central role in the first superstring revolution through his groundbreaking work with Michael Green. His research focuses on string theory, quantum gravity, and theoretical elementary particle physics. A list of his works is given below.Some links1) His works: https://inspirehep.net/authors/9895842) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest Graduate days with Geoffrey Chew Dual resonance models Early days of string theory His collaboration with Joel Scherk Discovery of 11D supergravity His collaboration with Michael Green Physics Carabet anecdote His work on dualities His textbooks (GSW and BBS) His relationship with Feynman Selecting graduate students (People's question) Building collaborations (People's question) Working on your idea (People's question) Dark dimension scenario (People's question) Amplitudes program (People's question) Favorite brane (People's question) Pursuing strings today (People's question) Underexplored subfield (People's question) 1984 work reception (People's question) Pure spinor formalism (People's question) AI problem solving (People's question) Worthy problem (People's question) Aspen center, Colorado (People's question) Weinberg and strings
- 1 weeks ago1h 23m
Phymaths podcast # 76 || Dr. Kristaps Balodis
DescriptionDr. Kristaps Balodis is a math postdoc at Carleton University, working on representation theory of finite groups and p-adic local Langlands. He also runs a YouTube channel, K-theory, that covers various topics in mathematics and hosts discussions with prominent mathematicians. His works are linked below.Some links1) His works: https://sites.google.com/view/kristapsjohnbalodis/publications?authuser=02) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Introduction of the guest Langlands program Geometric Langlands KL hypothesis p-adic version of the KL hypothesis Langlands program and graph theory Doing outreach Explaining abstract topics Coursework to research Building collaborations (People's question) Difficult math textbook (People's question) Problems in Langlands program (People's question) Learning representation theory (People's question) Books on his to-read list (People's question) LLMs solving math problems
- Aug 29, 20261h 43m
Phymaths podcast # 75 || Dr. Christian Ferko
DescriptionDr. Christian Ferko is a theoretical physicist at Northeastern University and IAIFI. He primarily works on sigma models and machine learning (especially on the correspondence between neural networks and QFTs). His work can be found at the link below.Some links1) His works: https://inspirehep.net/authors/18380252) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest Neural Networks/QFT (NN/QFT) correspondence Getting gauge theory Adding spinors RG scale in Neural Networks (NNs) Activation functions Other architectures Adding interactions Anomalies in NNs T duality in NNs Discrete θ angles in NNs Entanglement in NNs NNs and Holography NNs and generalized symmetries TTbar deformation TTbar and supersymmetry TTbar and Modmax theory TTbar and holography Outreach Psychological aspects of research Choosing problems Building collaborations Using AI for research Choosing Ph.D. students (People's question) Non-linearity in ML (People's question) Is AI curious? (People's questions) Practices for using AI
- Aug 7, 20261h 33m
Phymaths podcast # 74 || Phil Halper and Dr. Niayesh Afshordi
DescriptionPhil Halper is a fellow of the Royal Astronomical Society and a science communicator, well known for his YouTube channel (Skydivephil) featuring cosmology documentaries with prominent cosmologists and physicists.Dr. Niayesh Afshordi is a cosmologist at the University of Waterloo, with an associate faculty position at the Perimeter Institute. He works on black hole physics and quadratic gravity.Together, they have co-authored a book titled "Battle of the Big Bang," which compiles and discusses various cosmological theories.The link to their book and papers, and a list of Dr. Afshordi's works, is given belowSome links1) Their book: https://press.uchicago.edu/ucp/books/book/chicago/B/bo244963115.html2) Their Copenhagen survey: https://arxiv.org/abs/2503.157763) Their APS survey: https://arxiv.org/abs/2605.110584) Dr. Niayesh's works: https://inspirehep.net/authors/1023532?ui-citation-summary=true5) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guests Their book and Phil's series Singularity theorems Inflation BGV theorem Cosmic natural selection Cyclic universe Variable speed of light More surveys?
- Jul 11, 20261h 0m
Phymaths podcast # 73 || Dr. Georges Obied
DescriptionDr. Georges Obeid is a theoretical physicist at the University of Chicago who has worked on the dark dimension scenario, dark sector, and evolving dark energy models motivated by string theory. His list of works can be found below.Some links1) His works: https://inspirehep.net/authors/12466842) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest Dark dimension scenario Relevant data and tools Phantom dark energy Quintessence deSitter conjecture Clash between Inflation and swampland Open problems in the dark dimension scenario Coursework to research transition Choosing problems to work on Building collaborations His interest in Physics (People's question) Dark dimension and cosmological constant (People's question) Talking to experimentalists (People's question) Taking Ph.D students
- Jul 9, 20261h 0m
Phymaths podcast # 73 || Dr. Georges Obied
DescriptionDr. Georges Obeid is a theoretical physicist at the University of Chicago who has worked on the dark dimension scenario, dark sector, and evolving dark energy models motivated by string theory. His list of works can be found below.Some links1) His works: https://inspirehep.net/authors/12466842) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest Dark dimension scenario Relevant data and tools Phantom dark energy Quintessence deSitter conjecture Clash between Inflation and swampland Open problems in the dark dimension scenario Coursework to research transition Choosing problems to work on Building collaborations His interest in Physics (People's question) Dark dimension and cosmological constant (People's question) Talking to experimentalists (People's question) Taking Ph.D students
- Jun 11, 20261h 5m
Phymaths podcast # 72 || Dr. Lara Anderson
DescriptionDr. Lara Anderson is a theoretical physicist at Virginia Tech and has worked on string compactifications of M theory and F theory, and model building in type II and heterotic theories. A list of her works can be found at the link below.Some links1) Her works: https://inspirehep.net/authors/1030318?ui-citation-summary=true2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1XFollow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest Her work on compactifications Algebraic Geometry Swampland Program Calabi-Yau manifolds CICY manifolds Intersecting branes Science communication Coursework to research transition Difficult problems in postdocs Getting stuck in research Getting a PhD student Choosing a problem to work on Building collaborations (People's question) F theory (People's question) Moduli stabilization (People's question) Career vs Job (People's question) Homeschooling (People's question) Interest in Physics (People's question) Influential papers (People's question) Virginia Tech
- May 4, 20261h 44m
Phymaths podcast # 71 || Dr. Tejinder Pal Sinha
DescriptionDr. Tejinder Pal Singh is a theoretical physicist at the Tata Institute of Fundamental Physics, working on the unification of interactions using trace dynamics and octonions. A list of his works is linked below.Some links1) His works: https://inspirehep.net/authors/988555?ui-citation-summary=true2) Link to the high-energy physics resources page on my website: https://hassaansaleem.com/graduate-level-theoretical-physics-resources-in-progress/Contact InfoMy website: hassaansaleem.comFollow on Instagram: https://www.instagram.com/hassaan.3142/Join the WhatsApp channel: https://whatsapp.com/channel/0029Va9DkjmAzNbs7IlGuv1Follow on Twitter: https://twitter.com/Hassaan_PHYEmail Queries: greatestmight@gmail.comTime stamps Intro of the guest His current projects Octonions Spacetime being classical Structure of the Lagrangian and Connes time Calculating path integral Why octonions? Role of SU(2) Electroweak scale as QG scale? Top quark problem Fine structure constant RG flow of Fine structure constant (People's question) Advice for students Anthropic reasoning (People's question) AI's impact (People's question) TIFR theory group (People's question) Relativistic collapse models (People's question) Thanu Padmanabhan (People's question) John Baez's work
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