IQIS Lecture 4.3 — Density operators
IQIS Lecture 4.2 — Statistical mixtures of states
IQIS Lecture 2.2 — Why qubits?
IQIS Lecture 4.9 — Density operators and lack of knowledge
IQIS Lecture 5.6 — Security of shared randomness (continued)
IQIS Lecture 3.10 — Problems with state vectors
IQIS Lecture 4.4 — Partial trace
IQIS Lecture 1.5 — Circuit diagrams and matrix multiplication
IQIS Lecture 2.6 — Unitaries as three rotations
1-4 State tomography
IQIS Lecture 4.7 — Purification
IQIS Lecture 7.5 — Kraus representations
IQIS Lecture 5.10 — Device-independent tests and Bell inequalities (continued)
IQIS Lecture 5.8 — Comments on quantum key distribution
The Density Matrix - An Introduction
L7-3 Density Matrix and Bloch Sphere
IQIS Lecture 2.8 — Approximating unitaries
Quick introduction to the density matrix in quantum mechanics
3-4 Pure vs mixed states
3-3 Density matrices
