Papers with unsaturated networks
A Formal Hierarchy of RNN Architectures (2020.acl-main)
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| Challenge: | Existing theories of expressive power of RNNs are limited. |
| Approach: | They propose a formal hierarchy of the expressive capacity of RNN architectures based on two formal properties: space complexity and rational recurrence. |
| Outcome: | The proposed model is based on the theory of “saturated” RNNs and shows that it obeys a similar hierarchy to unsaturated RNN models. |