# A Sharpening of the Welch Bounds and the Existence of Real and Complex Spherical $t$ –Designs

> Research article (IEEE Transactions on Information Theory, 2017) · cited 37× · AI/ML

**Wikidata**: [openalex:W2607322496](https://www.wikidata.org/wiki/openalex:W2607322496)  
**Source**: https://4ort.xyz/entity/a-sharpening-of-the-welch-bounds-and-the-existence-of-real-and-complex-spherical-t-designs