Postdoc at Columbia University | Computational Physicist | Simulating plasma dynamics in extreme astrophysical environments | GRMHD
- Amsterdam
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07:54
(UTC -12:00) - https://daspushpita.github.io/
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- @pushpita_das_
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emotion-mechanisms-llm
emotion-mechanisms-llm PublicTesting whether RLHF instills a privileged self-emotion direction in the residual stream, and whether surgical steering on emotion sub-directions can decouple sycophancy from harshness. Open-weight…
Jupyter Notebook
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cot-decision-dynamics
cot-decision-dynamics PublicInvestigating when chain-of-thought reasoning faithfully reflects a model's internal computation vs. when it diverges – using behavioral analysis and representation probing.
Jupyter Notebook
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MiniAstroGPT
MiniAstroGPT PublicDistillation + agentic pipelines for generating reliable, non-expert-friendly explanations of astrophysics abstracts. Teacher → Judge → Student architecture with a staged reasoning UI
Python
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