Articles by keywords "covariance"

A singular spectrum analysis: problems and solutions

Applied and computational mathematics
  • Year: 2025
  • Volume: 18
  • Issue: 1
  • 21
  • 3333
  • Pages: 163-181

The proper mass of the universe

Theoretical physics
  • Year: 2021
  • Volume: 14
  • Issue: 1
  • 48
  • 6773
  • Pages: 147-154