Robuta

https://www.mapleprimes.com/questions/236131-Calculate-Riemann-Tensor-For-Two-Metrics Calculate Riemann Tensor for two metrics in the physics package. - MaplePrimes riemann tensor for two in the physics package calculate https://www.preprints.org/manuscript/201809.0604 The Riemann Zeta Function of a Matrix/Tensor[v1] | Preprints.org This paper attempts to extend the Riemann Zeta function of a complex number to a function of a matrix and/or a tensor $A$, namely $$\zeta (A)=\sum... function of a matrix riemann zeta