Research reports by Timo Eirola

Here are the reports authored by Timo Eirola. See the reports of all authors.

Helsinki University of Technology Institute of Mathematics Reports C

C20: Timo Eirola, Olavi Nevanlinna, Santtu Ruotsalainen; Workshop on numerics in dynamical systems, TKK, April 23–25, 2009; Abstracts [pdf]; Received 2009-04-22 * numerical analysis, dynamical systems, conference abstracts * AMS 65-06 * 33 pages
C19: Timo Eirola, Juho Könnö, Toni Lassila, Antti H. Niemi, Rolf Stenberg (editors); Perspectives in numerical analysis, TKK, May 27–29, 2008 [pdf][ps]; Received 2008-05-23 * numerical analysis, conference abstracts * AMS 65-06 * 50 pages
C18: Timo Eirola, Ville Havu, Antti-Pekka Jauho, Jan von Pfaler (editors); Computational Problems in Physics 2005 - Group Reports [pdf][pdf.gz]; Received 2005-09-22 * computational physics, mathematics * AMS 65-06, 65Z05 * 82 pages

A460: Timo Eirola, Jan von Pfaler; Numerical Taylor expansions for invariant manifolds [pdf][ps] abstract: [pdf][ps]; Received 2003-04-24 / Revised 2003-07-14 * Numerical approximation of invariant manifolds, multivariate polynomial, bifurcation, Taylor expansion * AMS 65Q05, 65P, 37M, (secondary) 65P30, 65F20, 15A69 * 22 pages
A454: Timo Eirola, Marko Huhtanen, Jan von Pfaler; Solution methods for R-linear problems in C^n [pdf][ps][pdf.gz][ps.gz] abstract: [pdf][ps]; Received 2002-10-09 / Revised 2002-10-29 * real linear operator in C^n, characteristic bivariate polynomial, isometry, LU--decomposition, QR--factorization, iterative methods, consimilarity * AMS 15A04, 65F10 * 32 pages
A426: Timo Eirola; A Refined Polar Decomposition: A=UPD [pdf][ps]; Received 2000-01-30 * Polar decomposition, orbits of matrices * AMS 15A23, 65F35