---
title: "Daniel Sudarsky"
type: "entity"
entity_kind: "person"
status: "hub"
canonical_name: "Daniel Sudarsky"
aliases: []
first_seen: "2026-10-22T00:00:00.000Z"
writer_model: "claude-sonnet-5"
connects_to: ["quantum foundations","conservation laws (quantum measurement)","semiclassical gravity","Elias Okon","Sandu Popescu"]
seek_code_commit: "d40ee39"
---


Physicist at the Universidad Nacional Autónoma de México (UNAM) working on the foundations of quantum mechanics and semiclassical gravity. In the vault he is co-author, with [[entity-elias-okon|Elias Okon]] and M. Wiedemann, of "Conservation in Every Quantum Measurement Outcome?" (arXiv:2610.29804, 2026), which critiques [[entity-sandu-popescu|Collins & Popescu]]'s proposal that a physical "preparer" system restores conservation exactly, outcome-by-outcome, in individual quantum measurements. He and Okon share an earlier joint paper with Tim Maudlin on the status of conservation laws and their implications for semiclassical gravity (2020), making this a sustained two-person research line rather than a single co-authorship.

## References
- [[claim-okon-sudarsky-wiedemann-reference-frame-regress-undermines-preparer-requirement]]
- [[claim-okon-sudarsky-wiedemann-preparer-never-definite-only-statistical-conservation-restored]]
- [[claim-okon-sudarsky-wiedemann-noncommuting-conserved-quantities-break-compensation-mechanism]]