Integral Formulas for Vector Signal Tensor Products
We derive integral formulas that simplify the Vector Signal Tensor Product recently introduced by Xie et al., which generalizes the Gaunt tensor product to anti-symmetric couplings. In particular, we obtain explicit closed-form expressions for the anti-symmetric analogues of the Gaunt coefficients. This enables us to simulate the Clebsch-Gordan tensor product using a single Vector Signal Tensor Product, yielding up to a $9\times$ reduction in the required tensor product evaluations. Our results enable efficient and practical implementations of the Vector Signal Tensor Product, paving the way for applications of this generalization of Gaunt Tensor Products in $\mathrm{SO}(3)$-equivariant n...
| Authors | Valentin Heyraud, Zachary Weller-Davies, Jules Tilly |
|---|---|
| Primary category | cs.LG |
| Published | 9 March 2026 |
| Last updated at source | 8 June 2026 |
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