# Delay independent robust stability analysis of delayed fractional quaternion-valued leaky integrator echo state neural networks with QUAD condition

> Research article (Applied Mathematics and Computation, 2019) · cited 36× · AI/ML

**Wikidata**: [openalex:W2946743559](https://www.wikidata.org/wiki/openalex:W2946743559)  
**Source**: https://4ort.xyz/entity/delay-independent-robust-stability-analysis-of-delayed-fractional-quaternion-valued-leaky-integrator-echo-state-neural-n