Showing physics.hist-phShow all
3 papers · 1 filter
physics.hist-ph2024
Effective Theory Building and Manifold Learning
David Peter Wallis Freeborn
Manifold learning and effective model building are generally viewed as fundamentally different types of procedure. After all, in one we build a simplified model of the data, in the…
physics.hist-ph2023
Haag as a How-To Theorem
David Freeborn, Marian Gilton, Chris Mitsch
Haag's theorem is a classic no-go theorem. It rigorously demonstrates there is a logical problem with the interaction picture (IP), one of the most widely used modeling tools in qu…
physics.hist-ph2022
How Haag-tied is QFT, really?
Chris Mitsch, Marian Gilton, David Freeborn
Haag's theorem cries out for explanation and critical assessment: it sounds the alarm that something is (perhaps) not right in one of the standard way of constructing interacting f…