MATH · IN · MODELS

Reddy (2026) custom toy RNNs (Elman/GRU/LSTM, repeat-copy task)

custom (paper-trained)

Structures found in this family (1)

Finite-Lag Transport Tensor

By model (4)

Custom Elman RNN (hidden size 64, repeat-copy task) · ~4.8K
Finite-Lag Transport Tensor
Custom GRU (hidden size 36, capacity-matched control, repeat-copy task) · 4,792
Finite-Lag Transport Tensor
Custom GRU (hidden size 64, repeat-copy task)
Finite-Lag Transport Tensor
Custom LSTM (hidden size 64, repeat-copy task)
Finite-Lag Transport Tensor

Observations (1)

Elman networks show ~15% higher finite-lag transport trace than GRU/LSTM

Papers

Finite-Lag Operator Geometry of Recurrent Representations (2026)