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Introduction

I build large-scale combinatorial optimizers that treat constraint spaces as thermodynamic systems — letting solutions flow to feasibility rather than search for it.

What this looks like in practice

  • 80M clause university timetabling — 99.99999% satisfaction, 3GB RAM, single laptop core
  • 2.6M clause hardware multiplier verification — 100% in 5.92 seconds
  • Protein contact map prediction — 99.8% with zero domain-specific tuning
  • Ramsey R(5,5,5) at N=52 — solved via thermodynamic fracture detection

These aren't curated benchmarks. Runtimes, RAM usage, and violations are all disclosed.

Projects

[NitroSAT](https://github.com/sethuiyer/NitroSAT) — Open-source O(M) MaxSAT approximator. Handles millions of clauses on consumer hardware. Free, Apache 2.0.

[BAHA](https://github.com/sethuiyer/baha) — Combinatorial optimizer using complex-plane branch enumeration (Lambert-W) to escape local minima. Outperforms SA/GA by 2–10× on phase-transition problems with zero tuning.

[Navokoj](https://navokoj.shunyabar.foo/) — Production API for large-scale MaxSAT, Max-QSAT, and XOR-SAT. Proprietary solver with global geometry awareness. Generous free tier.

Who this is for

If you work on scheduling, chip verification, logistics, graph theory, or biological constraints at scale , these tools are built for your problems.

Your sponsorship funds what comes next - GPU acceleration,
larger benchmark suites, and new problem domains. The core
will always be open. Sponsors make the research faster.

@sethuiyer

funds GPU acceleration of NitroSAT, turning 5-hour runs into 15-minute runs

Featured work

  1. sethuiyer/baha

    Simulated annealing which uses thermodynamics of the landscape to escape local minima and works amazingly on discrete combinatorial problems

    C++ 4
  2. sethuiyer/NitroSAT

    Unusually powerful linear-time MaxSAT approximator that consistently hits 99.5%+ satisfaction across diverse categories including Graph Coloring, Clique, and Ramsey instances.

    C 2
  3. sethuiyer/casimir-sat-solver

    when boolean logic meets quantum mechanics

    HTML 2
  4. sethuiyer/navokoj

    Physics-inspired SAT solving that treats constraints as flowing geometry

    Python 1
  5. sethuiyer/multiplicative-pinn-framework

    A Research Framework for Solving PDEs with Multiplicative Constraints

    Python 1
  6. sethuiyer/spectral-multiplicative-framework

    Where graph theory meets quantum mechanics in optimization space

    Crystal 1

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