 lars
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e6e0eb22bf
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Implement Phase 2: secondary particle prediction
Two-stage factorisation: Stage 1 predicts 9D primary kinematics + n_sec
classification head (COND_DIM reduced to 8, dropping n_sec/e_sec inputs);
Stage 2 (SecondaryDecoder) generates K_MAX=15 secondary slots via masked
flow matching over (stick_logit, local_dir, type_emb) conditioned on Stage 1
output. Joint training with combined loss L_s1 + λ_nsec*L_nsec + λ_s2*L_s2.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-06-29 11:34:31 +02:00 |
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