High-dimensional geometry imposes concurrency limits on semantic directions in LLM embeddings via residual interference, with N < exp(c d_eff ε²) for coexistence and σ_int ~ √(k/d_eff) for readout noise.
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Quantum speedups come from reversible embeddings and engineered interference that identify solution classes rather than from branchwise classical parallelism, subject to limits like impossible unitary garbage erasure and contextuality.
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Semantic Concurrency Limits in Large Language Models
High-dimensional geometry imposes concurrency limits on semantic directions in LLM embeddings via residual interference, with N < exp(c d_eff ε²) for coexistence and σ_int ~ √(k/d_eff) for readout noise.
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The Physical and Contextual Limits of Quantum Speedup
Quantum speedups come from reversible embeddings and engineered interference that identify solution classes rather than from branchwise classical parallelism, subject to limits like impossible unitary garbage erasure and contextuality.