Research Publications by Adam Coffman

A. Coffman, Real linear maps preserving some complex
subspaces, Preprint, 15 pages appearing
online
in Beiträge
zur Algebra und Geometrie.
 abstract.txt
 (13 page format. updated March 21,
2014.)
 An abstract for
a talk
based on this paper appears in
the Fall
2013 Newsletter of the Indiana Section of the MAA.
 An abstract for
a talk
based on this paper appears in the Abstracts of Papers
Presented to the AMS (1) 35 (2014),
p. 100.




A. Coffman
and Y. Pan, Glaeser's
inequality on an interval, Real Analysis
Exchange (2) 36 (2010/2011), 483490.
 6 pages:
 Here's a longer version, 8 pages with 3
figures:
 Project
Euclid abstract
(and full text link for subscribers)
 An abstract for
a talk
based on this paper appears in
the Spring
2010 Newsletter of the Indiana Section of the MAA.
 MathSciNet
review: 3016732
 Zbl. Math
review: 1259.26022










A. Coffman and M. Frantz, Möbius
transformations and ellipses, The Pi Mu
Epsilon Journal (6) 12 (2007), 339345.
 abstract.txt
 Without figures:
 With 3 figures:
 There is also a significantly longer version of this paper,
with several different proofs of the main result, more pictures,
and a longer list of references: see Ellipses in the inversive
plane, listed under Lecture Notes (below).
 For related
images, see the link on the "hippopede of Proclus" on
my graphics
gallery page.
 An abstract for
a talk
based on this paper appears in
the Spring
2003 Newsletter of the Indiana Section of the MAA.
 MathEduc Database
review: 2007b.00404
 CiteSeer record






