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Quantum Engineering Year 2: Advanced Quantum Science Month 36Day 982

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Year 2·Month 36·Week 1

Day 982: Quantum LDPC Code Construction

Day 982 of 2,016~21 min read

Learning Objectives

•Construct CSS quantum codes from classical LDPC codes
•Derive the hypergraph product code construction (Tillich-Zémor)
•Calculate qLDPC code parameters from classical code inputs
•Explain degeneracy and its impact on quantum decoding
•Adapt belief propagation for quantum error correction
•Implement basic qLDPC code construction and analysis

Today's Schedule (7 hours)

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On this page

1 From Classical to Quantum LDPC 2 CSS Code Construction 3 The Hypergraph Product Construction 4 Hypergraph Product Example 5 Weight and Degree Analysis 6 Degeneracy in Quantum Codes 7 Quantum Belief Propagation 8 The Chain Complex Perspective Practical Applications qLDPC for Near-Term Devices

Day 981Day 982 of 2,016Day 983