# When and why PINNs fail to train: A neural tangent kernel perspective

> Research article (Journal of Computational Physics, 2021) · cited 1,112× · AI/ML

**Wikidata**: [openalex:W3205073660](https://www.wikidata.org/wiki/openalex:W3205073660)  
**Source**: https://4ort.xyz/entity/when-and-why-pinns-fail-to-train-a-neural-tangent-kernel-perspective