Hans Frederick Blichfeldt
Hans Frederick Blichfeldt (9 January 1873, Illar, Denmark – 16 November 1945, Palo Alto, California) was a Danish and American mathematician who worked on group theory and the geometry of numbers. He introduced Blichfeldt's principle and Blichfeldt's upper bound on the density of sphere packings.
References
- Dickson, L. E. (1947), "Obituary: Hans Frederik Blichfeldt. 1873--1945", Bulletin of the American Mathematical Society 53: 882–883, doi:10.1090/S0002-9904-1947-08874-1, ISSN 0002-9904, MR 0021508
- Miller, G H (2008), "Blichfeldt, Hans Frederick", Dictionary of Scientific Biography (New York 1970-1990)
- O'Connor, John J.; Robertson, Edmund F., "Hans Frederick Blichfeldt", MacTutor History of Mathematics archive, University of St Andrews.
- Zong, Chuanming (1999), "Chapter 6.4 Hans Frederick Blichfeldt", Sphere packings, Universitext, Berlin, New York: Springer-Verlag, ISBN 978-0-387-98794-1, MR 1707318
- Hans Frederick Blichfeldt at the Mathematics Genealogy Project