Circle-valued Morse theory for complex hyperplane arrangements,
joint with Toshitake Kohno
arXiv:0811.2254 [math.GT]

On the tunnel number and the Morse-Novikov number of knots,
arXiv:0811.2254 [math.GT]

Morse-Novikov theory, Heegaard splittings and closed orbits of gradient flows
joint with Hiroshi Goda and Hiroshi Matsuda.
arXiv:0709.3153v1 [math.GT]

Novikov homology, twisted Alexander polynomials and Thurston cones,
math.GT/0406498

C^0-topology in Morse theory,
math.DG/0303195

Incidence coefficients in the Novikov complex for Morse forms: rationality and exponential growth properties,
dg-ga/9604004

Surgery on the Novikov complex,
Université de Nantes, Rapport de Recherche,  93/01-2, 6993. Ch 1-4 (pdf),   Ch 5-9 (pdf)

On the Novikov complex for Rational Morse Forms,
Institut for Matematik og Datalogi, October 1991, Odense Universitet Preprints 1991, No 12 TSSN No. 0903-3920,pdf