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README.md

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 ## About Usable Math
 
-Usable Math is a free, open educational resource (OER) licensed under CC-BY-NC 4.0, developed by Sharon Edwards, Robert Maloy, and Sai Gattupalli in the College of Education at the University of Massachusetts Amherst. It provides Google Slides-based interactive math problem-solving modules for grades 3–6, aligned with the Massachusetts Mathematics Curriculum Framework and the Common Core State Standards for Mathematics. Visit [usablemath.org](https://usablemath.org).
+Usable Math is a free, open educational resource (OER) licensed under CC-BY-NC 4.0. It provides Google Slides-based interactive math problem-solving modules for grades 3–6, aligned with the Massachusetts Mathematics Curriculum Framework and the Common Core State Standards for Mathematics. Visit [usablemath.org](https://usablemath.org).
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+This model was developed by **Sai Gattupalli, PhD**, College of Education, University of Massachusetts Amherst, and Principal Scientist at the Society and AI Research Group, in collaboration with Robert W. Maloy and Sharon A. Edwards.
 
 ### Selected Publications
 
@@ -211,14 +213,6 @@ Gattupalli, S., Maloy, R. W., & Edwards, S. (2023). Comparing Teacher-Written an
 
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-## Companion Models
-
-- **[sgattup/RagaLakshanaLLM](https://huggingface.co/sgattup/RagaLakshanaLLM)** — Indian classical music raga theory
-- **[sgattup/KonakolSwaraLLM](https://huggingface.co/sgattup/KonakolSwaraLLM)** — Carnatic rhythmic and swara composition
-- **[sgattup/IndianCultureLLM](https://huggingface.co/sgattup/IndianCultureLLM)** — Indian culture, history, and philosophy
-
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-
 ## Citation
 
 ```bibtex