David
Fisher
Preprints
and publications:
- Quasi-isometric
embeddings of symmetric spaces, joint with K.Whyte,
in preparation.
- Bending
group actions and cohomology of arithmetic
groups, in
preparation.
- Harmonic
maps and cocycle
superrigidity, joint with T.Hitchman, in preparation.
- Groups acting on Manifolds: around the
Zimmer program, survey article, to appear in Festschrift for
R.J.Zimmer, (download pdf
file).
- Groups not acting on manifolds, with Lior Silberman, to appear IMRN,
(download pdf
file).
- Coarse
differentiation of
quasi-isometries
II: rigidity for Sol and Lamplighter groups, with A.Eskin
and K.Whyte, (download ps
file or pdf
file).
- Mostow's strong rigidity theorem, short
descriptive article for Princeton Companion to Mathematics, differs
slightly from published version (download pdf
file).
- Strengthening
Kazhdan's
Property $(T)$ by Bochner
Methods, submitted, with T.Hitchman (download pdf
file).
- Coarse
differentiation of
quasi-isometries
I: spaces not quasi-isometric to Cayley
graphs, with
A.Eskin and K.Whyte,
(download ps
file or pdf
file).
- Quasi-isometries
and rigidity of solvable groups, with A.Eskin and K.Whyte,
(download ps
file or pdf
file), Pure and Applied
Mathematics Quarterly 3 (2007) 927-947.
- First cohomology and local rigidity of
group actions, to appear Annals of Math, (download pdf file), 29 pages.
- First
cohomology, rigidity and deformations of group actions, preprint (download pdf file),
10 pages.
- Local
Rigidity: Past, Present, Future, (download ps
file or pdf
file), in
Dynamics, Ergodic Theory and
Geometry (Mathematical
Sciences Research Institute Publications)}, 45-98,
Cambridge University Press, 2007.
- Deformations
of group actions, (download
ps
file), Trans. AMS, 360 (2008),
491-505.
- Out(F_n) and the spectral gap
conjecture, (download ps
file or pdf
file) IMRN (2006)
Art. ID
26028, 9 pp.
- Cocycle
Superrigidity and Harmonic maps with
infinite dimensional
targets, joint
with T.J.Hitchman, (download pdf
file), IMRN (2006)
72405, 1--19.
- Non-ergodic
actions, cocycles, and superrigidity, joint
with D. Witte Morris and K.Whyte, (download ps
file) New York Journal Math. 10 (2004) 249-269.
- When
is a group action determined by its orbit structure? joint
with K.Whyte, (download ps
file) GAFA 13 (2003), 1189-1200.
- Local
rigidity of affine actions of higher
rank groups
and lattices, joint with G.A. Margulis, to
appear Annals of Math,
(download ps
file).
- Almost
isometric actions, property T, and
local
rigidity, joint with G.A.Margulis,
(download ps
file) Inventiones Math. 162 (2005) 19-80.
- Local
rigidity for cocycles, joint with G.A.Margulis,
in Surv. Diff. Geom. Vol
VIII, refereed volume in honor of Calabi,
Lawson, Siu and Uhlenbeck ,
editor: S.T. Yau, 2003,
191-234. (download ps
file)
- Research
announcement for the three preceeding
items, updated
version (download ps
file).
- Nonexistence
of invariant rigid
structures and invariant almost rigid structures, joint with E.J.Benveniste, In Comm. Anal.
Geom. 13 (2005) 89-111. (download ps
file).
- Geometric
lattice actions, entropy and
fundamental groups, joint with R.J.Zimmer. In
Comment. Math. Helv. 77 (2002) 326-338. (download
ps
file)
- Rigid
geometric structures and
representations of fundamental groups. In
Rigidity in
Geometry and
Dynamics, eds. M.Burger, A.Iozzi,
Springer-Verlag, 2002. (download
ps
file).
- Continuous
quotients for lattice
actions on compact manifolds. Joint
with Kevin
Whyte. In Geometriae
Ded. 2001 (87)
181-189.
(download ps
file)
- On
the arithmetic structure of
lattice actions on compact spaces. In Ergodic Theory and Dyn.
Sys. 22 (2002) 1141-1168. (download ps
file).
- A canonical arithmetic
quotient for
actions of higher rank lattices. In Israel
J. Math.
124 (2001) 143-155. (download ps file).
Fisher home