Timo Eirola; research activities

• K. Baarman, T. Eirola, and V. Havu: Acceleration of ensemble DFT computations, submitted
  
• K. Baarman, T. Eirola, and V. Havu: Quasi-Newton minimization by Householder transforms on the Grassman manifold, submitted
• Timo Eirola, Harri Varpanen: Pyörivän laatikon paluu. Arkhimedes 2, (2012)
  
•  K. Baarman, T. Eirola, and V. Havu: Robust acceleration of self consistent field calculations for density functional theory, J. Chem. Phys. 134, no. 13 (2011)
  
•  I. Norros, H. Reittu, and T. Eirola: On the stability of two-chunk file-sharing systems, Queueing Systems 67, 183-206 (2011)
  
• Torsti, T., Eirola, T., Enkovaara, J., Hakala, T., Havu, P., Havu, V., Höynälänmaa, T., Ignatius, J.,Lyly, M., Makkonen, I., Rantala, T., Ruotsalainen, K., Räsänen, E., Saarikoski, H., Puska, M.J., Three real-space discretization techniques in electronic structure calculations, Physica Status Solidi (b) 243, 1016-1053 (2006).
• T. Eirola and J. von Pfaler: Numerical Taylor expansions for invariant manifolds, Numer. Math. 99 no. 1, 25-46, 2004.
  
• T. Eirola, M. Huhtanen, and J. von Pfaler: Solution methods for R-linear problems in C^n, SIAM J. Matrix Anal. and Appl. 25, no. 3,  804-828, 2003.
• T. Eirola, J. Tuomela, K. Riihimäki, M. Heiliö, and H. Haario: Mathematical model for single-pass crossflow heat exhanger, Workshop on Industrial Mathematics, Tampere, Oct. 2002.
• T. Eirola: A refined polar decomposition: A=UPD, SIAM J. Matrix Anal. and Appl. 22, no. 3, 824-836, 2001.
• L. Dieci and T. Eirola: Applications of smooth orthogonal decompositions of matrices, IMA Volumes in Math. and Appl. 119, 141-162, 1999.
• L. Dieci and T. Eirola: On smooth decompositions of matrices, SIAM J. Matrix Anal. and Appl. 20, 800-819, 1999.
• T. Eirola: Detection of generic one parameter bifurcations of Hamiltonian equilibria. Applied Numerical Mathematics 29, 129-143, 1999.
• T. Eirola, O. Nevanlinna, and S. Yu. Pilyugin: Limit shadowing property, Numer. Funct. Analysis and Opt. 18, 75-92, 1997.
• H. Saarikoski, R-P. Salmio, J. Saarinen, T. Eirola, and A. Tervonen: Fast numerical solution of nonlinear diffusion equation for the simulation of ion-exchanged micro-optics components in glass, Optics Communications 134, 362-370, (1997)
• T. Eirola and S. Pilyugin: Pseudotrajectories generated by a discretization of a parabolic equation, J. of Dynamics and Diff. Eqs. 8, 281-297 (1996)
• T. Eirola, A.V. Osipov, and G. Söderbacka: Chaotic regimes in a dynamical system of the type many predators one prey, HUT Math. Report A368, (1996)
• L. Dieci and T. Eirola: Preserving monotonicity in the numerical solution of Riccati differential equations, Numer. Math. 74, 35-48 (1996)
• T. Eirola: Incomplete corrections with selfadjoint operators, Avtomatika i Telemehanika no 11, 99-108, 1995. In Russian,
• T. Eirola: Monotonicity of quadratic forms with symplectic Runge-Kutta methods,  Applied Numer. Math. 17, 293-298 (1995).
• T. Eirola, A.M. Krasnosel'skii, M.A. Krasnosel'skii, N.A. Kuznetsov, and O. Nevanlinna:
  Incomplete corrections in nonlinear problems, Nonlinear Analysis, Theory, Methods & Appl. 25, 717-728 (1995).
• L. Dieci and T. Eirola: Positive definiteness in the numerical solution of Riccati and Lyapunov equations, Numer. Math. 67, 303-313 (1994).
• T. Eirola: Aspects of backward error analysis in numerical ODE's, J. of Comp. and Applied Mathematics 45, 65-73 (1993).
• T. Eirola and J. M. Sanz-Serna: Conservation of integrals and symplectic structure in the integration of differential equations by multistep methods. Numer. Math. 61, 281-290 (1992)
  
• T. Eirola: Sobolev characterisation of the solutions of dilation equations, SIAM J. Math. Anal. 23, 1015-1030, (1992).