General-purpose piecewise-linear DC analysis. - Janne Roos; Martti Valtonen (ICECS, 1996)

An efficient piecewise‐linear DC analysis method for general non‐linear circuits. - Janne Roos; Martti Valtonen (Int. J. Circuit Theory Appl., 1999)

Always convergent piecewise-linear DC analysis by an appropriate choice of initial conditions. - Janne Roos; Ville Karanko (ISCAS, 2000)

Simple reduced-order macromodels with PRIMA. - Sakari Aaltonen; Janne Roos (ICECS, 2002)

Development and comparison of reduced-order interconnect macromodels for time-domain simulation. - Timo Palenius; Janne Roos; Sakari Aaltonen (ICECS, 2002)

Development of simplex-based piecewise-linear approximations of nonlinear mappings. - Janne Roos (ICECS, 2002)

Implementation of piecewise-linear DC analysis in APLAC. - Janne Roos; Martti Valtonen; Jarmo Virtanen (ICECS, 2002)

An efficient reduced-order interconnect macromodel for time-domain simulation. - Timo Palenius; Janne Roos (ISCAS (4), 2003)

On simplex-based piecewise-linear approximations of non-linear mappings. - Janne Roos (Int. J. Circuit Theory Appl., 2005)

Speed-up and performance evaluation of piecewise-linear DC analysis. - Janne Roos (Int. J. Circuit Theory Appl., 2007)

Study and development of an efficient RC-in-RC-out MOR method. - Pekka Miettinen; Mikko Honkala; Janne Roos; Carsten Neff; Achim Basermann (ICECS, 2008)

Frequency/time block preconditioners for harmonic balance jacobians. - Mikko Honkala; Ville Karanko; Janne Roos; Martti Valtonen (ECCTD, 2009)

General measurement-based circuit model for symmetrical four-port RF transformers. - Antti Kallio; Timo Veijola; Janne Roos; Mikael Andersson; Martti Valtonen (ECCTD, 2009)

Partitioning-based second-order model-order reduction method for RC circuits. - Pekka Miettinen; Mikko Honkala; Janne Roos; Martti Valtonen (ECCTD, 2009)

Enhanced multivariate steady-state time-domain method. - Tuukka Tuomisto; Anu Lehtovuori; Jarmo Virtanen; Janne Roos; Mikko Honkala; Martti Valtonen (ECCTD, 2009)

PartMOR: Partitioning-Based Realizable Model-Order Reduction Method for RLC Circuits. - Pekka Miettinen; Mikko Honkala; Janne Roos; Martti Valtonen (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 2011)

Admittance parameter formulation for realizable model-order reduction. - Mikko Honkala; Pekka Miettinen; Martti Valtonen; Janne Roos (ECCTD, 2013)

Realizable reduction of interconnect models with dense coupling. - Pekka Miettinen; Mikko Honkala; Martti Valtonen; Janne Roos (ECCTD, 2013)

Sparsification of Dense Capacitive Coupling of Interconnect Models. - Pekka Miettinen; Mikko Honkala; Janne Roos; Martti Valtonen (IEEE Trans. Very Large Scale Integr. Syst., 2013)

Benefits of Partitioning in a Projection-based and Realizable Model-order Reduction Flow. - Pekka Miettinen; Mikko Honkala; Janne Roos; Martti Valtonen (J. Electron. Test., 2014)