Siddhartha Gadgil
e-mail:
gadgil@isibang.ac.in
Research
My research is primarily in low-dimensional topology and geometric
group theory.
Papers and preprints
- Cobordisms and Reidemeister torsions of
homotopy lens spaces, Geom. Topol. \textbf{5} (2001), 109--125.
- The $pq$-condition for $3$-manifold groups ,
Proc. Amer. Math. Soc. \textbf{129} (2001), no. 6, 1873--1875.
- Topological geodesics and virtual
rigidity (joint with Louis Funar), Algebr.
Geom. Topol. \textbf{1} (2001), 369--380.
- Equivariant framings, lens spaces
and contact structures. Pacific J. Math. 208 (2003), no. 1,
73--84.
- On the geometric simple connectivity of
open manifolds. (joint with Louis Funar) Int. Math. Res. Not.
2004, no. 24, 1193--1248.
- Contact structures on elliptic
3-manifolds. Proc. Amer. Math. Soc. 132 (2004), no. 12,
3705--3714
- Limits of functions and elliptic operators.
Proc. Indian Acad. Sci. Math. Sci. 114 (2004), no. 2, 153--158.
- Homology and homeomorphisms of
non-orientable surfaces (joint with Dishant Pancholi),
Proc. Indian Acad. Sci. Math. Sci.
- Embedded spheres in S^2\times
S^1#...#S^2\times S^1, to appear in Topology and its applications.
- Extremes of the Indian summer monsoon ,
(joint with Sulochana Gadgil, P.N. Vinaychandran and P.A. Francis)
Geophysical Research letters 2004.
- The Chord algebra and fundamental
groups (joint with Lenny Ng), appendix to Knot and braid
invariants from contact homology II by Lenny Ng,
Geom. Topol. 4 (2005), 1603-1637.
- On the Andrews-Curtis conjecture and
algorithms from topology, preprint
- The derived series and virtual Betti
numbers., preprint
- Degree-one maps, Surgery and
four-manifolds, submitted for publication.
- Open manifolds, Ozsvath-Szabo
invariants and Exotic $\R^4$'s, submitted for publication.
- Conformal structures and harmonic
functions (joint with Harish Seshadri), preprint
Expository articles
For a general scientific audience.
More technical