- Menegatto, V. A., Positive definiteness on products via generalized Stieltjes and other functions, submitted.
- Menegatto, V. A., Oliveira, C. P., An extension of Aitken's integral for Gaussians and positive definiteness, 2020, submitted.
-Menegatto, V. A., Oliveira, C. P., Matrix-valued positive definite kernels related to the generalized Aitken's integral for Gaussians, submitted.
-Barbosa, V. S., Menegatto, V. A., Gneiting's space-time positive definiteness criterion revisited, submitted.