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Physics, computation & modeling
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Physics, computation & modeling

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Chirag Rathi

Researcher with two preprints under review at Foundations of Physics (Springer Nature). Builder of spacecraft safety systems and autonomous flight software. The same rigor that goes into the physics goes into the code.


Research

PSC-VR — Post-Shell-Crossing Void Re-expansion. Analytical proof and numerical verification that void re-expansion is cosmologically suppressed in ΛCDM. 400-shell LTB simulation from z=49 to z=0. DOI: 10.5281/zenodo.18524965

The Persistence Criterion — Formal framework distinguishing epistemic obscuration from ontological elimination across classical and quantum physics. Under review at Foundations of Physics. DOI: 10.5281/zenodo.18525587

Octahedral Orbital Architectures — Quantitative stability analysis of Dyson swarm configurations using Floquet theory. DOI: 10.5281/zenodo.18528558


Systems

ARVS — Adaptive Robust Verification System. 25 frozen axioms across 9 categories. Non-bypassable authority layer for spacecraft and rover autonomy. Validated against NASA REMS, NASA SPICE, ESA Mars Express, and ISS OSDR telemetry. DOI: 10.5281/zenodo.19023905

ATLAS — Autonomous Launch and Termination Architecture System. 1 kHz C++17 real-time control loop. 19-state EKF. Triple-redundant IMU voting. RTOS-ready. DOI: 10.5281/zenodo.19039518

M17 — K-Framework for autonomous celestial discovery using decommissioned orbital assets. C++17, Fortran, Rust, CUDA. Post-Newtonian relativistic corrections. DOI: 10.5281/zenodo.18910231


Links

Personal Site · ORCID · Zenodo · LinkedIn


We move at the speed the problem burns.

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  1. ARVS ARVS Public

    Research-grade autonomy architecture for spacecraft, rovers, and safety-critical autonomous systems

    Python 2

  2. Atlas Atlas Public

    ATLAS (Autonomous Launch & Termination Architecture System) is a research autonomous flight software framework for reusable launch vehicles, integrating ARVS (Adaptive Robust Verification System) a…

    C++ 2