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cs.LG2026
How Sparse Probability Maps Shape Mixture-of-Experts Routing
Tomás Brogueira, Marcos Treviso, Miguel Couceiro
Mixture-of-experts (MoE) routers typically apply softmax to the router scores and keep the top-K experts, making every token use exactly K experts. Sparsity-inducing probability ma…
cs.LG2026
EntmaxKV: Support-Aware Decoding for Entmax Attention
Gonçalo Duarte, Miguel Couceiro, Marcos V. Treviso
Long-context decoding is increasingly limited by KV-cache memory traffic as each generated token attends over a cache whose size grows linearly with context length. Existing sparse…