Norm Johnson
University of Iowa, United States
Department of Mathematics
15 MLH
The University of Iowa
Iowa City, IA 52242-1419
USA
Phone: 319-335-0765
Fax: 319-335-0627
Email: njohnson@math.uiowa.edu
- Specializations -
- Research Interests -
Flock Related References
- M. Biliotti and N.L. Johnson.
Bilinear flocks of quadratic cones.
J. Geometry.
to appear.
- V. Jha and N.L. Johnson.
The doubly transitive flocks of quadratic cones.
Europ. J. Comb.
to appear.
- V. Jha and N.L. Johnson.
Flocks of oval cones and extensions of theorems of Thas.
Note di Mat.
to appear.
- V. Jha and N.L. Johnson.
Infinite flocks of a quadratic cone.
J. Geometry.
to appear.
- N.L. Johnson and G. Lunardon.
Maximal partial spreads and flocks.
Designs, Codes and Cryptography.
to appear.
- N.L. Johnson and S.E. Payne.
Flocks of Laguerre Planes and Associated Geometries.
In Mostly Finite Geometries. Marcel Dekker:51-122, 1997.
- N.L. Johnson and X. Liu.
Flocks of quadratic and semi-elliptic cones.
In Mostly Finite Geometries. Marcel Dekker, 1997.
Proceedings of a conference in honor of T.G. Ostrom.
- N.L. Johnson and X. Liu.
The Generalized Kantor-Knuth Flocks.
In Mostly Finite Geometries. Proceedings of a conference in
honor of T.G. Ostrom, Marcel Dekker, 1997.
- N.L. Johnson and L. Storme.
Spreads corresponding to flocks of quadrics.
In Mostly Finite Geometries. Proceedings of a conference in
honor of T.G. Ostrom, Marcel Dekker, 1997.
- N.L. Johnson.
Extending partial flocks containing linear subflocks.
J. Geom., 55:99-106, 1996.
- V. Jha and N.L. Johnson.
Automorphism groups of oval cones.
Geom. Ded., 61:71-85, 1996.
- V. Jha and N.L. Johnson.
Rigidity in Conical flocks.
J. Comb. Theory (A), 73:60-76, 1996.
- Y. Hiramine and N.L. Johnson.
Regular partial conical flocks.
Bull. Belg. Math. Soc., 2:419-433, 1995.
- N.L. Johnson.
Derivation of partial flocks of quadratic cones.
Rend. Mat., 12:817-848, 1992.
- N.L. Johnson.
Conical flocks whose corresponding translation planes are derivable.
Simon Stevin, 65 3/4:199-215, 1991.
- N.L. Johnson, G. Lunardon, and F.W. Wilke.
Semifield skeletons of conical flocks.
J. Geom., 40:105-112, 1991.
- N.L. Johnson.
Flocks and partial flocks of quadric sets.
Comptemp. Math., 111:71-80, 1990.
- N.L. Johnson.
Translation planes admitting Baer groups and partial flocks of
quadric sets.
Simon Stevin, 63(3):163-187, 1989.
- H. Gevaert and N.L. Johnson.
Flocks of quadratic cones, generalized quadrangles and translation
planes.
Geom. Ded., 27:301-317, 1988.
- N.L. Johnson.
Semifield flocks of quadratic cones.
Simon Stevin, 61(3-4):313-326, 1987.