Negative Curvature Cosmology1924
The achievement marks negative curvature cosmology as an important Russian scientific milestone.
Historical person
Historical biography and chronological timeline for Alexander Alexandrovich Friedmann, based on 2 World History Database records associated with Russia.
The achievement marks negative curvature cosmology as an important Russian scientific milestone.
Publishes a relativistic universe model with constant negative spatial curvature.
Mathematician and Cosmologist
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.