K. Bittner, H. G. Brachtendorf, “Multirate Shooting Method with Frequency Sweep for Circuit Simulation.”, Scientific Computing in Electrical Engineering SCEE 2016, pp. 113-125, Springer Publishers, 2018.
K. Bittner, H. G. Brachtendorf, W. Schoenmaker, P. Reynier, “Coupled circuit/EM simulation for radio frequency circuits.”, 54th ACM/EDAC/IEEE Design Automation Conference, Austin, Texas, June 18-22, 2017.
K. Bittner, H. G. Brachtendorf, “Latency exploitation in Wavelet Based Multirate Circuit Simulation.”, Scientific Computing in Electrical Engineering SCEE 2014,
pp. 13-20, Springer Publishers, 2016.
K. Bittner, H. G. Brachtendorf, “Initial Transient Response of Oscillators with Long Settling Time.”, Design Automation and Test Conference in Europe (DATE) 2015.
C. Jungemann, T. Linn, K. Bittner and H. G. Brachtendorf, “Numerical investigation of plasma effects in silicon MOSFETs for THz-wave detection.”, Solid State Electronics, Elsevier, 2016.
H. G. Brachtendorf, K. Bittner, “Grid Size Adapted Multistep Methods for high Q Oscillators.”, IEEE Trans. on Computer-Aided Design, Vol. 32, No. 11, Nov. 2013.
K. Bittner, H.-G. Brachtendorf. Fast algorithms for grid adaptation using non-uniform biorthogonal spline wavelets. SIAM J. Scient. Computing, 37(2):B283-B304, 2015.
K. Bittner, H.-G. Brachtendorf. “Adaptive multi-rate wavelet method for circuit simulation.” Radioeng., 23(1):300-307, 2014.
H. G. Brachtendorf, R. Melville, P. Feldmann, S. Lampe, R. Laur, “Homotopy method for finding the steady states of oscillators.”, IEEE Trans. on Computer-Aided Design, Vol. 33, No. 6, June 2014.
K. Bittner, H. G. Brachtendorf, “Optimal frequency sweep method in multi-rate circuit simulation.”, SCEE 2012, Zurich, Sept. 11 – Sept. 14, 2012, Scientific Computing
in Electrical Engineering SCEE 2012.
H. G. Brachtendorf, R. Laur, “Entrainment – Theory and Applications.”, Design Automation and Test Conference in Europe (DATE) 2011, Grenoble, March 14th –
March 18th, 2011.
K. Bittner, K. Urban. “Adaptive wavelet methods using semiorthogonal spline wavelets: Sparse evaluation of nonlinear functions.” Appl. Comput. Harmon. Anal., 24:94-119, 2008.
K. Bittner, C. K. Chui. “Formulation of localized cosine bases that preserve polynomial modulated sinusoids.”, J. Fourier Anal. Appl., 10:475-496, 2004.
K. Bittner, C. K. Chui. “Spline modulation of sinusoids for signal representation.”, J. Fourier Anal. Appl., 9:597-622, 2003.
G. Welsch, H. G. Brachtendorf, C. Sabelhaus, R. Laur, “Minimization of the error in the calculation of the steady-state by shooting methods.”, IEEE Trans. Circuits
and Systems-I, Vol. 48, No. 10, October 2001.
H. G. Brachtendorf, R. Laur, “Simulation of Skin Effects and Hysteresis Phenomena in the Time Domain.”, IEEE Trans. on Magnetics, Vol. 37, No. 5, pp. 3781-3789, Sep. 2001.
H. G. Brachtendorf, R. Laur, “On Consistent Initial Conditions for Circuit’s DAEs with Higher Index.”, IEEE Trans. Circuits and Systems-I: Fundamental Theory and
Applications, Vol. 48, No. 5, May 2001.
K. Bittner. “Biorthogonal local trigonometric bases.” In G. Anastassiou, editor, Handbook on Analytic-Computational Methods in Applied Mathematics, pages 407-463. CRC Press, 2000.
K. Bittner, “Fast algorithms for spline wavelets on sparse grids.” SIAM J. Scient. Computing, 20:1192-1213, 1999.
H. G. Brachtendorf, R. Laur, “Modeling of Hysteresis in Magnetic Cores with Frequency Dependent Losses.”, J. Mag. Mag. Mat. Vol. 183, pp. 305-312, Elsevier, 1998.
H. G. Brachtendorf, R. Laur, “A time-frequency algorithm for the simulation of the initial transient response of oscillators.”, IEEE Proc. Int. Symp. on Circuits and
Systems (ISCAS), Monterrey, June 1998.
H. G. Brachtendorf, G. Welsch, R. Laur, “A novel time-frequency method for the simulation of the steady state of circuits driven by multi-tone signals.”, IEEE Proc.
Int. Symp. on Circuits and Systems (ISCAS), Vol. 3, pp. 1508-1511, Hongkong, June 9-12, 1997.
H. G. Brachtendorf, C. Eck, R. Laur, “Macromodeling of hysteresis phenomena with SPICE.”, IEEE Trans. CAS, Part II, Vol. 44, No. 5, pp. 378-388, May 1997.
H. G. Brachtendorf, R. Laur, “A Hysteresis Model for Hard Magnetic Core Materials.”, IEEE Trans. on Magnetics, Vol. 33, No. 1, pp. 723-727, January 1997.
H. G. Brachtendorf, G.Welsch, R. Laur, A. Bunse-Gerstner, “Numerical steady state analysis of electronic circuits driven by multi-tone signals.”, Electrical Engineering 79, pp. 103-112, Springer, 1996.
H. G. Brachtendorf, G. Welsch, R. Laur, “A simulation tool for the analysis and verification of the steady state of circuit designs.”, Int. J. of Circuit Theory and Appl., Vol. 23, pp. 311-323, John Wiley, 1995.