POPL 2024
Sun 14 - Sat 20 January 2024 London, United Kingdom
Mon 15 Jan 2024 16:30 - 17:00 at Kelvin Lecture - Formalizing Mathematics Chair(s): Kuen-Bang Hou (Favonia)

We describe a formalization in Lean 4 of Giles Gardam’s disproof of Kaplansky’s Unit Conjecture. This makes use of a combination of deductive proving and formally verified computation, using the nature of Lean 4 as a programming language which is also a proof assistant.

Our goal in this work, besides formalization of the specific result, is to show what is possible with the current state of the art and illustrate how it can be achieved. Specifically we illustrate \emph{real time} formalization of an important mathematical result and the \emph{seamless integration} of proofs and computations in Lean 4.

Mon 15 Jan

Displayed time zone: London change

16:00 - 17:30
Formalizing MathematicsCPP at Kelvin Lecture
Chair(s): Kuen-Bang Hou (Favonia) University of Minnesota
16:00
30m
Talk
A Formalization of Complete Discrete Valuation Rings and Local Fields
CPP
María Inés de Frutos-Fernández Universidad Autónoma de Madrid, Filippo Alberto Edoardo Nuccio Mortarino Majno di Capriglio Université Jean Monnet Saint-Étienne
Pre-print
16:30
30m
Talk
Formalizing Giles Gardam's Disproof of Kaplansky's Unit Conjecture
CPP
Siddhartha Gadgil Indian Institute of Science, Anand Rao Tadipatri Indian Institute of Science Education and Research
17:00
30m
Talk
Strictly Monotone Brouwer Trees for Well Founded Recursion Over Multiple Argumentsremote presentation
CPP
Joseph Eremondi University of Regina
Pre-print