https://anandhupshaji.me/ Technical essays, research preprints, and open-source systems updates by Anandhu P Shaji. en-us Mon, 26 Oct 2026 00:00:00 +0000 https://anandhupshaji.me/posts/fault-tolerant-ai-agents.html https://anandhupshaji.me/posts/fault-tolerant-ai-agents.html Fri, 14 Aug 2026 00:00:00 +0000 Architectural foundations for long-running AI agent reliability: semantic checkpoints, idempotent action ledgers, and hash-chained audit trails. https://anandhupshaji.me/posts/positional-prufer-sequences.html https://anandhupshaji.me/posts/positional-prufer-sequences.html Sat, 20 Jun 2026 00:00:00 +0000 A length-(n-1) bijective integer encoding for ordered rooted labeled trees with O(n) encoding and decoding, plus an O(1) query Navigation Index. https://anandhupshaji.me/posts/tensorflow-stories.html https://anandhupshaji.me/posts/tensorflow-stories.html Thu, 12 Mar 2026 00:00:00 +0000 Inside 24 pull requests to TensorFlow: root-causing unsound algebraic rewrites in Grappler, shape lowering segfaults in XLA, and numerical gradient explosions in automatic differentiation. https://anandhupshaji.me/posts/lightweight-medical-imaging.html https://anandhupshaji.me/posts/lightweight-medical-imaging.html Wed, 28 Jan 2026 00:00:00 +0000 Transfer learning and efficient architectures for rare dermatological disease diagnosis on edge devices, achieving 99.96% accuracy.