Papers/Preprints availabe electronically

  1. (with L.Friedlander and T.Kappeler) Witten deformation of the analytic torsion and Reidemeister torsion (Amer.Math.Soc.Transl.Ser.2,184, 1998, 23-34 )
  2. (with L.Friedlander and T.Kappeler) Torsions for manifolds with boundary and glueing formulas (Math.Nachr.208, 1999, 31-91)
  3. Removing metric anomalies from Ray Singer torsion (Letters in mathematical Physics,47, 1999, 149-158 )
  4. Lectures on Witten Hellfer Sjöstrand Theory (Proccedings of the third international workshop on differential geometry and its applications and the first German-Romanian seminar on geometry, Sibiu-Romania sept.1997, Astra association , vol 5, 85-99)
  5. (with L.Friedlander and T.Kappeler) Relative torsion for homotopy triangulations (Contemporary Mathematics,231, 1999, 37-57 )
  6. (with L.Friedlander and T.Kappeler) Relative torsion (Communications in Contemporary Mathematics, Vol 3, 2001, 15-85 )
  7. A short course on Witten Hellfer Sjöstrand Theory (lectures given at the summer school on Groups and Geometry, Goettingen, June 2000)
  8. Diffeomorphisms, K-theory and free loop spaces (lectures given at the summer school on Groups and Geometry, Goettingen, June 2000)
  9. (with S.Haller) On the topology and analysis of closed one form (Novikov theory revisited), Dec. 2000 (in Monogr. Enseign. Math. 38 (2001) 133-175.)
  10. (with S.Haller) Noncontractible periodic trajectories of symplectic vector fields, Floer cohomology and symplectic torsion, Jan.2001
  11. (with N.Saldanha and C Tomei) Results on infinite dimensional topology and applications to the structure of the critical set of nonlinear Sturm-Liuville operators, July 2001 (in J.Differential Equations, 227, 581-597, 2006.)
  12. (with S.Haller) A Riemannian invariant, Euler structures and some topological applications, revised Dec 2004 (Proceedings of the Conference C*-algebras and elliptic thoery, Bedlewo, Poland, 2004, in Trends Math., Birkhauser, Basel, 2006, pp 37-60.)
  13. (with S.Haller) The geometric complex of a Morse-Bott-Smale pair and an extension of a theorem by Bismut-Zhang, Nov 2004,
  14. (with S.Haller) Euler structures, the variety of representations and the Milnor-Turaev torsion, Dec 2004 (in Geom.and Topol. 10 (2006), 1185-1238)
  15. (with S.Haller) Dirichlet series, Topology and Spectral geometry (version 1), revised May 2005 (temporary unavailable)
  16. (with N.Saldanha and C.Tomei) The topology of the monodromy map of the second order ODE, June 2005,(in J.Differential Equations, 188,569-590,2003)
  17. (with S.Haller) Torsion as a function on the space of representations, July 2005, in C*algebras and Elliptic theory II, Trends in mathematics, 41-66, 2008, Birkhauser Verlag Basel/Switzerland)
  18. (with S.Haller) Dynamics, Laplace transform and Spectral geometry, August 2005, (in Journal of Topology 1 (2008), 115-151)
  19. (with S.Haller) Complex valued Ray Singer torsion, April 2006 (in Journal of Functional analysis 248, (2007), 27-78)
  20. (with S.Haller) Complex valued Ray Singer torsion II, October 2006 (in Math. Nachr.283 (2010), no 10 pp. 1372-1402
  21. (with N.C. Saldanha, C .Tomei) The geometry of the critical set of nonline\ ar periodic Sturm-Liouville operators, JUl 2007 (in J.Differential Equations246 (2009) no 8, 3380339
  22. Cyclic theory for commutative differential graded algebras and s-cohomology, March 2009(Quanta of maths, Clay Math. Proc., 11 Amer. Math. Soc., Providence RI, 85-105
  23. Smooth structure on the moduli space of instantons of a generic vector field, (to appear in Exploratory workshop on Differential geometry and its Applications, Iasi, September 2009, , Cluj University press.
  24. Dynamics, spectral geometry and topology, (in ALEXANDRU MYLLER MATHEMATICAL SEMINAR CENTENNIAL CONFERENCE 2010, Iasi, (Romania), June 2010 published by American Institute for Physics(AIP) Conference Proceedings Volume 1329, pp. 35-48
  25. (with L.Friedlander and Th. Kappeler) On the space of Trajectories of a gradient like vector field Oct 2010 (in Analele Universitaii de vest Timisoara , seria mathematica -informatica vol XLVIII, Fasv. 1, 2 2010 pp 45-126 , arXive 11010778v2
  26. (with Tamal Dey) Persistence of circle valued maps, April 2011 (in Discrete & Computational Geometry (2013) 50:69-98, DOI 10,1007/s00454-013-9497-x)
  27. (with Stefan Haller) Graph representations and the topology of real and angle valued maps, Feb 2012
  28. (with Stefan Haller) Topology angle valued maps bar codes and Jordan cells, March 2013
  29. A refinement of Betti numbers and homology in the presence of a continuous function I, March 2015
  30. Linear relations, monodromy and Jordan cells of a circle valued map, March 2015
  31. Refinement of Novikov-Betti numbers and Novikov homology provided by an angle valued map, May 2015
  32. A refinement of Betti numbers and homology in the presence of a continuous function II
  33. New invariants for Real and Angle valued maps. (An alternative to Morse-Novikov theory)
  34. Alternative to Morse-Novikov theory for a closed 1-form (I)
  35. Alternative to Morse-Novikov theory for a closed 1-form (II)
  36. (with Yoonweon Lee) Virtually small spectral package of a Riemannian manifold
  37. Witten Deformation and the spectral package of a Riemannian manifold
  38. Comparison between "Parametrized homology via zigzag persistence" and "Refined homology in the presence of a real-valued continuous function"