In dictionaries:
friedmann model
friedmann universe
Expanding universe model, general relativity.
Friedmann equations
The Friedmann equations, also known as the Friedmann–Lemaître equations, are a set of equations in physical cosmology that govern cosmic expansion in homogeneous and isotropic models of the universe within the context of general relativity.
meir friedmann
Meir (Ish Shalom) Friedmann (10 July 1831 in Kraszna, district of Kashau (Košice Region), Kingdom of Hungary, Austrian Empire – 1908 in Vienna, Austria-Hungary) was an Austrian-Hungarian Jewish scholar.
Alexander Friedmann
Alexander Alexandrovich Friedmann (also spelled Friedman or Fridman; ; ; – September 16, 1925) was a Russian and Soviet physicist and mathematician.
Litzi Friedmann
Alice Friedmann (née Kohlmann; 1910–1991), known as Litzi Friedmann, was an Austrian communist who was the first wife of Kim Philby, a member of the Cambridge Five.
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