# Notes

Personal course notes and tools.

- [CS639: Quantum computing](https://arjunsahlot.com/notes/cs639): States, gates, entanglement, communication, and noise.
  - [Qubit workspace](https://arjunsahlot.com/notes/cs639/qubit): State preparation, gates, measurement, and noise on the Bloch sphere.
  - [Quantum communication](https://arjunsahlot.com/notes/cs639/protocols): Bell correlations, teleportation, and superdense coding.