Ajinkya Kiran Mulay

Research Scientist · sparse methods, optimizers, private learning

I work on large-scale LLM safety systems at Meta and do original ML research on polar decomposition optimizers, sparse pursuit algorithms, and differential privacy. Ph.D. from Purdue (ECE, 2023). I write about what I'm thinking and building.

polar decomposition optimizers why Halley-Newton beats Muon at T=3
the FoBa gate a learnable replacement for SwiGLU (p=0.012)
activation sparsity as a scheming signal AUROC 0.745 on an interpretability eval