Norimichi Hirano

Articles in Scholarly Journals [Incomplete List]

  1. A multiplicity result including a sign-changing solution for an inhomogeneous Neumann problem with critical exponent
    Proceedings of the Royal Society of Edinburgh: Section A Mathematics, vol. 137, no. 02, p. 333, 2007
  2. Proceedings of the American Mathematical Society, vol. 134, no. 09, pp. 2585–2593, 2006
  3. Existence of periodic solutions for the Lotkaâ??Volterra type systems
    Journal of Differential Equations, vol. 229, no. 1, pp. 121–137, 2006
  4. Multiple existence of solutions for a nonhomogeneous elliptic problem with critical exponent on RN
    Nonlinear Analysis, vol. 65, no. 3, pp. 501–513, 2006
  5. Multiple existence of solutions for a semilinear elliptic problem with nonconstant coefficients
    Nonlinear Analysis, 2005
  6. Infinitely many solutions for non-cooperative elliptic systems
    Journal of Mathematical Analysis and Applications, vol. 311, no. 2, pp. 545–566, 2005
  7. Existence of periodic solutions for semilinear reaction diffusion systems
    Nonlinear Analysis, vol. 59, no. 6, pp. 931–949, 2004
  8. Invariant sets for nonlinear evolution equations, Cauchy problems and periodic problems
    Abstract and Applied Analysis, vol. 2004, no. 3, pp. 183–203, 2004
  9. Convergence theorems for multivalued $Phi;-hemicontractive operators and $Phi;-strongly accretive operators
    Computers & Mathematics with Applications, vol. 46, no. 10-11, pp. 1461–1471, 2003
  10. Multiple existence of periodic solutions for a nonlinear parabolic problem with singular nonlinearities
    Nonlinear Analysis, vol. 54, no. 3, pp. 445–456, 2003
  11. Existence of limit cycles for coupled van der Pol equations
    Journal of Differential Equations, vol. 195, no. 1, pp. 194–209, 2003
  12. Existence of infinitely many solutions for sublinear elliptic problems
    Journal of Mathematical Analysis and Applications, vol. 278, no. 1, pp. 83–92, 2003
  13. Existence of nontrivial solutions for a semilinear elliptic problem with supercritical exponent
    Nonlinear Analysis, vol. 55, no. 5, pp. 543–556, 2003
  14. A Nonlinear Elliptic Equation with Critical Exponents: Effect of Geometry and Topology of the Domain
    Journal of Differential Equations, vol. 182, no. 1, pp. 78–107, 2002
  15. Existence of solutions for a semilinear elliptic problem with critical exponent on exterior domains
    Nonlinear Analysis, vol. 51, no. 6, pp. 995–1007, 2002
  16. Multiple existence of sign changing solutions for semilinear elliptic problems on RN
    Nonlinear Analysis, vol. 46, no. 7, pp. 997–1020, 2001
  17. Non-collision periodic orbits with large time periods for a class of Keplerian-like potentials
    Nonlinear Analysis, vol. 47, no. 6, pp. 3741–3747, 2001
  18. Morse theory without (PS) condition at isolated values and strong resonance problems
    Calculus of Variations and Partial Differential Equations, vol. 10, no. 3, pp. 223–247, 2000
  19. Multiple Solutions of Semilinear Dirichlet Problems on a Domain withS1-Group Actions
    Journal of Mathematical Analysis and Applications, vol. 218, no. 1, pp. 283–296, 1998
  20. Multiple existence of solutions for semilinear elliptic problems on a domain with a rich topology
    Nonlinear Analysis, vol. 29, no. 7, pp. 725–736, 1997
  21. Existence of entire positive solutions for nonhomogeneous elliptic equations
    Nonlinear Analysis, vol. 29, no. 8, pp. 889–901, 1997
  22. Existence of stable and unstable solutions for semilinear parabolic problems with a jumping nonlinearity
    Nonlinear Analysis, vol. 26, no. 6, pp. 1143–1160, 1996
  23. Proceedings of the American Mathematical Society, vol. 124, no. 04, pp. 1183–1191, 1996
  24. Existence of positive entire solutions of semilinear elliptic equations on RN
    Abstract and Applied Analysis, vol. 1, no. 1, pp. 65–82, 1996
  25. Positive Unstable Periodic Solutions for Superlinear Parabolic Equations
    Proceedings of the American Mathematical Society, vol. 123, no. 5, p. 1487, 1995
  26. Subharmonic Solutions for Second Order Differential Systems
    Journal of Mathematical Analysis and Applications, vol. 196, no. 1, pp. 266–281, 1995
  27. Multiple Existence of Solutions for Nonlinear Variational Inequalities
    Journal of Differential Equations, vol. 113, no. 2, pp. 272–299, 1994
  28. Existence of solutions of minimal period of semilinear elliptic equations on strip-like domains
    Nonlinear Analysis, vol. 22, no. 5, pp. 567–571, 1994
  29. Existence of unstable periodic solutions for semilinear parabolic equations
    Nonlinear Analysis, vol. 23, no. 6, pp. 731–744, 1994
  30. Existence of Periodic Solutions for Nonlinear Evolution Equations in Hilbert Spaces
    Proceedings of the American Mathematical Society, vol. 120, no. 1, p. 185, 1994
  31. Multiplicity Results for Semilinear Elliptic Problems at Resonance and with Jumping Nonlinearities
    Journal of Mathematical Analysis and Applications, vol. 180, no. 2, pp. 566–586, 1993
  32. Existence of multiple solutions for quasilinear and semilinear elliptic equations
    Nonlinear Analysis, vol. 19, no. 2, pp. 123–143, 1992
  33. Multiple solutions for quasilinear elliptic equations
    Nonlinear Analysis, vol. 15, no. 7, pp. 625–638, 1990
  34. Periodic-Dirichlet boundary value problem for semi-linear dissipative hyperbolic equations
    Journal of Mathematical Analysis and Applications, vol. 148, no. 2, pp. 371–377, 1990
  35. An explicit iteration for asymptotic centers of orbits of nonexpansive mappings in Banach spaces
    Journal of Approximation Theory, vol. 57, no. 1, pp. 40–47, 1989
  36. Nonlinear evolution equations with nonmonotonic perturbations
    Nonlinear Analysis, vol. 13, no. 6, pp. 599–609, 1989
  37. Existence of nontrivial solutions of semilinear elliptic equations
    Nonlinear Analysis, vol. 13, no. 6, pp. 695–705, 1989
  38. Existence of Multiple Periodic Solutions for a Semilinear Evolution Equation
    Proceedings of the American Mathematical Society, vol. 106, no. 1, p. 107, 1989
  39. Multiple Nontrivial Solutions of Semilinear Elliptic Equations
    Proceedings of the American Mathematical Society, vol. 103, no. 2, p. 468, 1988
  40. On the existence of multiple solutions for a nonlinear wave equation
    Journal of Differential Equations, vol. 71, no. 2, pp. 334–347, 1988
  41. Nonexpansive retractions and nonlinear ergodic theorems in Banach spaces
    Nonlinear Analysis, vol. 12, no. 11, pp. 1269–1281, 1988
  42. Unbounded nonlinear perturbations of linear elliptic problems at resonance
    Journal of Mathematical Analysis and Applications, vol. 132, no. 2, pp. 434–446, 1988
  43. Erratum
    Journal of Mathematical Analysis and Applications, vol. 135, no. 2, pp. 712–713, 1988
  44. Asymptotic behavior of commutative semigroups of nonexpansive mappings in Banach spaces
    Nonlinear Analysis, vol. 10, no. 3, pp. 229–249, 1986
  45. SIAM Journal on Mathematical Analysis, vol. 17, no. 2, Article ID 0517030, 1986
  46. Some surjectivity theorems for compact perturbations of accretive operators
    Nonlinear Analysis, vol. 8, no. 7, pp. 765–774, 1984
  47. On the asymptotic behavior of solutions of a reaction-diffusion system
    Journal of Mathematical Analysis and Applications, vol. 95, no. 2, pp. 335–343, 1983
  48. Asymptotic behavior of solutions of nonlinear Volterra equations
    Journal of Differential Equations, vol. 47, no. 2, pp. 163–179, 1983
  49. SIAM Journal on Mathematical Analysis, vol. 14, no. 1, Article ID 0514008, 1983
  50. A generalization of the Hahn-Banach theorem
    Journal of Mathematical Analysis and Applications, vol. 88, no. 2, pp. 333–340, 1982
  51. A Proof of the Mean Ergodic Theorem for Nonexpansive Mappings in Banach Space
    Proceedings of the American Mathematical Society, vol. 78, no. 3, p. 361, 1980
  52. Existence Theorems on Unbounded Sets in Banach Spaces
    Proceedings of the American Mathematical Society, vol. 80, no. 4, p. 647, 1980