LJILJANA TRAJKOVIC

Office:
School of Engineering Science
Simon Fraser University
Burnaby, BC V5A 1S6
Canada
Tel.: (604) 291-3998
FAX: (604) 291-4951
E-mail: ljilja at cs.sfu.ca
WWW: http://www.ensc.sfu.ca/~ljilja

Home:
804-9303 Salish Court
Burnaby, BC V3J 7B7
Canada
Tel: (604) 421-3124

RESEARCH INTERESTS

Analytical techniques, numerical methods, and performance evaluation in the areas of:

  • Modeling, characterization, and collection of traffic in high-speed packet networks;
  • Admission and congestion control algorithms;
  • ATM switching systems;
  • Software tools for simulation of analog bipolar and MOS circuits;
  • Numerical properties and convergence of algorithms based on continuation methods.
    EDUCATION

    Ph.D. in Electrical Engineering, 1986.
    University of California, School of Engineering and Applied Science, Los Angeles, California, GPA (4.0/4.0):
    Ph.D. dissertation entitled ``Negative Differential Resistance in Transistor Circuits'' under the guidance of Professor Alan N. Willson, Jr.

    M.S. in Computer Engineering, 1981.
    Syracuse University, Electrical and Computer Engineering Department, Syracuse, New York, GPA (4.0/4.0)

    M.S. in Electrical Engineering, December 1979.
    Syracuse University, Electrical and Computer Engineering Department, Syracuse, New York, GPA (3.9/4.0)

    Dipl. Electr. Ing., 1974.
    University of Pristina, Electrical Engineering Department, Pristina, Yugoslavia, GPA (9.97/10.0)

    RESEARCH AND TEACHING EXPERIENCE

    January 1998 - present: Associate Professor
    Simon Fraser University, School of Engineering Science
    Traffic characterization and modeling. Intelligent control of data networks. Analysis and simulation of admission control policies in packet networks. Teaching undergraduate courses in electric circuits and digital and computer labs.

    October 1995 - December 1997: Visiting Professor
    University of California, Berkeley, Department of Electrical Engineering and Computer Sciences
    Analysis and simulation of admission control policies in packet networks. Software tools and novel numerical algorithms for dc, steady-state, and transient simulation of bipolar and MOS circuits. Advising graduate and undergraduate students and involving them in the research program. Currently teaching an innovative undergraduate course on real-time digital systems.

    September 1990 - October 1995: Research Scientist
    Bell Communications Research, Computer Networking Research Department, Morristown, NJ
    Statistical modeling, characterization, and collection of traffic in high-speed networks (HIPPI and ATM) and Bellcore Ethernet LANs. The traces are used for simulation of call admission control policies in packet network. New statistical methods to examine long range dependencies in traffic traces from networks that carry diverse and statistically multiplexed traffic. Evaluation and simulation of congestion control algorithms (Leaky buckets and Weighted Fair Queueing) for high speed local ATM networks. Performance simulations of quantitative measures for the Cell Delay Variation Tolerances in packet networks. Important contributions to the ATM Forum Traffic Management Working Group. Design (using Altera PLDs) of the controller for the Bellcore Sunshine ATM switch currently deployed in the AURORA Gigabit testbed.

    July 1988 - September 1990: Member of Technical Staff
    AT&T Bell Laboratories, Design Automation Laboratory, Murray Hill, NJ
    New numerical methods for resolving convergence difficulties in circuit simulators. Implementation of homotopy algorithms in industrial circuit simulators (SPICE, ADVICE, TITAN). Demonstration of their superior convergence on large practical bipolar and MOS circuits.

    August 1986 - July 1988: Visiting Lecturer
    University of California, Los Angeles, School of Engineering and Applied Science, Electrical Engineering Department;
    California State University, Northridge, Electrical and Computer Engineering Department
    Taught graduate and undergraduate courses in electrical circuits and a senior/graduate course in VLSI design.

    October 1974 - July 1978: Research and Teaching Assistant
    Technical University of Pristina, Electrical Engineering Department, Pristina, Yugoslavia
    Taught undergraduate courses in electrical circuits.

    HONORS AND AWARDS

  • Research Fellow of the BC Advanced Systems Institute, 1999 - 2002
  • Fellowship of the Japan Society for the Promotion of Science, 1998
  • NSF Visiting Professorship for Women Grant, University of California at Berkeley 1995-97
  • Zonta International Amelia Earhart Fellowship 1984 and 1985
  • UCLA Hortense Fishbaugh Memorial Scholarship 1983
  • UCLA School of Engineering Fellowship 1981 and 1982
  • IIE Fulbright Fellow 1978 - 1979
  • City of Pristina Public Award for Contribution to Arts and Sciences, 1974
  • Mathematics competition: Elektrijada 1973 (3rd place); SUSEJ 1974 (2-3rd place)
  • Vuk Karadzic Diploma, High-school Ivo Lola Ribar, Pristina, Yugoslavia, 1969.
    PROFESSIONAL ACTIVITIES

  • Member of the IEEE Circuits and Systems Society Board of Governors 2000 -- 2003
  • General Co-chair, 2004 IEEE International Symposium on Circuits and Systems (ISCAS 2004)
  • Associate Editor, IEEE Trans. on Circuits and Systems, Part II: Nonlinear Circuits and Systems, 1999 -- 2001
  • Associate Editor, IEEE Trans. on Circuits and Systems, Part I: Fundamental Theory and Applications, 1994 -- 1995
  • Chair, IEEE Technical Committee on Intelligent Communications, Systems, Man, and Cybernetics Society, 2000 -- 2001
  • Chair, Chair-elect, and Secretary, IEEE TC on Nonlinear Circuits and Systems, 1995 -- 1998
  • Co-chair, Technical Program Committee, Track: General Circuits and Systems, 1999 IEEE International Symposium on Circuits and Systems (ISCAS '99)
  • Publicity Co-chair, 1999 International Symposium on Nonlinear Theory and its Applications (NOLTA '99)
  • Member of the Technical Program Committees:
    - Joint 9th IFSA World Congress and 20th NAFIPS International Conference, 2001
    - International Conference on Network Protocols (ICNP '99 and ICNP 2001)
    - 43rd Midwest Symposium on Circuits and Systems, MWSCAS 2000
    - Track: General and Nonlinear Circuits and Systems, ISCAS 2000
    - NEUREL 2000 and NEUREL '97, Belgrade, Yugoslavia
    - 1st International Conference on Information Reuse and Integration (IRI '99)
    - INFOCOM '93 -- '97
    - IEEE Regional NY/NJ Control Conference 1994, Rutgers University, Piscataway, NJ
  • Member of the IEEE Systems, Man, and Cybernetics Society Technical Committee on Computational Intelligence
  • Member of the IEEE Technical Committee on Computer Communications
  • Senior Member of the IEEE (Circuits and Systems, Communications, and Computer Societies)
  • Member of the ACM, NAFIPS, and Sigma Xi.

  • Session chair:
    MWSCAS '2000, Lansing, MI, Aug. 8 - 11, 2000 (FA3: Modelling and Simulation);
    ICNP' 99, Toronto, Canada, Oct. 31 - Nov. 3, 1999 (9: Internet Services);
    ECCTD' 99, Stresa, Italy, Aug. 29 - Sept. 2, 1999 (R37: Chaos, Bifurcations and Applications - III);
    ISCAS '99, Orlando, FL, May 30 - June 2, 1999 (61: Analysis and Simulation of Nonlinear Circuits);
    NOLTA '97, Waikiki, Hawaii, Nov. 29 - Dec. 2, 1997 (T4B: Computation Method);
    NDES '96, Seville, Spain, June 27 - 28, 1996 (Analysis Methods - III);
    INFOCOM '96, San Francisco, CA, March 24 - 28, 1996 (11D: Traffic III: Self Similar);
    INFOCOM '94, Toronto, Canada, June 12 - 16, 1994 (10C: Scheduling); and
    ISCAS '90, New Orleans, LA, May 1 - 3, 1990 (THPM 6A: Neural Networks: Digital Implementation).

  • Reviewer:
    NSERC Communications Computers and Components (GSC 334) Committee, NSF Programs (Networking & Communications Research, Design Automation), UC MICRO program, IEEE Trans. Circuits Syst., IEEE Trans. Computer-Aided Design, IEEE Trans. Signal Processing, IEEE/ACM Trans. Networking, Int. Journal of Digital and Analog Communications, SIAM Journal on Optimization, ISCAS, Midwest Symposium on CAS, INFOCOM, ITC, SIGCOMM, ICC, GLOBECOM, IC3N, ICNP, IPPS, ICMCS, Simulation Symposium.
    RESEARCH FUNDING

  • Lj. Trajkovic, ``Network traffic: analysis, modeling, and characterization,'' NSERC Grant 216844, 1999 - 2002 (award amount $16,800 CD / year).

  • Lj. Trajkovic, ``Network traffic: analysis, modeling, and characterization,'' Research Fellowship of the BC Advanced Systems Institute, 1999 - 2002 (award amount $160,000 CD).

  • Lj. Trajkovic, ``High-speed networks: traffic measurements, characterization, and modeling tools,'' 1998 Canadian Foundation for Innovation, New Opportunities (award amount $67,261 CD).

    Lj. Trajkovic, ``Traces and measurement tools in support of a viable quality of service concept,'' 1998 Presidents Research Grant, Simon Fraser University, PRG 98-1 (award amount $10,272 CD).

  • Lj. Trajkovic, ``Measurements and characterization of traffic in high-speed networks,'' BC Advanced Systems Institute, 1998 New Faculty Award (award amount $15,000 CD).

  • Lj. Trajkovic, ``Homotopy methods for analysis and simulation of electronic circuits,'' 1995 NSF Visiting Professorship for Women Grant No. GER-9550153 (award amount: $171,397) and No. HRD-9550153 (award amount: $13,260).

    CITIZENSHIP: USA

    LANGUAGES: English, Serbian, Russian, French

    REFERENCES FURNISHED UPON REQUEST

    PUBLICATIONS

    JOURNAL PUBLICATIONS

    Lj. Trajkovic and A. N. Willson, Jr., ``Replacing a transistor with a compound transistor,'' IEEE Trans. Circuits Syst., vol. CAS-35, pp. 1139--1146, Sept. 1988, and Proc. European Conf. on Circuit Theory and Design, Paris, France, Sept. 1987, pp. 59--64.

    Lj. Trajkovic and A. N. Willson, Jr., ``Complementary two-transistor circuits and negative differential resistance,'' IEEE Trans. Circuits Syst., vol. 37, pp. 1258--1266, Oct. 1990.

    Lj. Trajkovic and A. N. Willson, Jr., ``Theory of dc operating points of transistor networks,'' Int. J. of Electronics and Communications, vol. 46, no. 4, pp. 228--241, July 1992, and Proc. Int. Seminar Nonlinear Circuits and Systems, Moscow, Russia, June 1992, pp. 89--105.

    Lj. Trajkovic and S. J. Golestani, ``Congestion control for multimedia services,'' IEEE Network Magazine, vol. 6, no. 5, pp. 20--26, Sept. 1992.

    R. C. Melville, Lj. Trajkovic, S. C. Fang, and L. T. Watson, ``Artificial parameter homotopy methods for the dc operating point problem,'' IEEE Trans. on CAD, vol. 12, pp. 861--877, June 1993.

    L. Weiss, W. Mathis, and Lj. Trajkovic, ``A generalization of Brayton-Moser's mixed potential function,'' IEEE Trans. on CAS, vol. 45, no. 4, pp. 423--427, April 1998.

    Lj. Trajkovic and A. Neidhardt, ``Effect of traffic knowledge on the efficiency of admission control policies,'' ACM Computer Communication Review, vol. 29, no. 1, pp. 5--34, Jan. 1999.

    J. C. Lagarias and Lj. Trajkovic, ``Bounds for the number of dc operating points of transistor circuits,'' IEEE Trans. on CAS, vol. 46, no. 10, pp. 1216--1221, Oct. 1999.

    V. Markovski, F. Xue, and Lj. Trajkovic, ``Simulation and analysis of packet loss in video transfers using User Datagram Protocol,'' accepted for publication in The Journal of Supercomputing, Kluwer.

    PATENTS

    S. C. Fang, R. C. Melville and Lj. Trajkovic, ``Artificial Parameter Homotopy Methods for the DC Operating Point Problem,'' No. 5,181,179, Jan. 19, 1993.

    BOOK CHAPTERS

    Lj. Trajkovic, ``Homotopy methods for computing dc operating points,'' invited contribution to the Encyclopedia of Electrical and Electronics Engineering, J. G. Webster, Ed. New York: John Wiley & Sons, 1999, vol. 9, pp. 171--176.

    CONFERENCE PUBLICATIONS

    Lj. Trajkovic and A. N. Willson, Jr., ``Computer-aided generation of circuit matrices,'' Proc. Modeling and Simulation Conf., Pittsburgh, PA, 1986, pp. 987--992.

    Lj. Trajkovic and A. N. Willson, Jr., ``Circuit parameters and the occurrence of negative differential resistance,'' Proc. IEEE Int. Symp. Circuits and Systems, San Jose, CA, May 1986, pp. 277--280.

    Lj. Trajkovic and A. N. Willson, Jr., ``Biasing of two-transistor circuits exhibiting negative differential resistance,'' Proc. 29th Midwest Symposium on Circuits and Systems, Lincoln, NE, Aug. 1986, pp. 158--162.

    Lj. Trajkovic and A. N. Willson, Jr., ``A two-transistor circuit having no resistors cannot model an SCR,'' Proc. IEEE Int. Symp. Circuits and Systems, Philadelphia, PA, May 1987, pp. 888--891.

    Lj. Trajkovic and A. N. Willson, Jr., ``Behavior of nonlinear transistor one-ports: things are not always as simple as might be expected,'' Proc. 30th Midwest Symposium on Circuits and Systems, Syracuse, NY, Aug. 1987, pp. 1210--1213.

    Lj. Trajkovic and A. N. Willson, Jr., ``Negative differential resistance in two-transistor one-ports with no internal sources,'' Proc. IEEE Int. Symp. Circuits and Systems, Espoo, Finland, June 1988, pp. 747--750.

    Lj. Trajkovic, R. C. Melville and S. C. Fang, ``Passivity and no-gain properties establish global convergence of a homotopy method for dc operating points,'' Proc. IEEE Int. Symp. Circuits and Systems, New Orleans, LA, May 1990, pp. 914--917.

    Lj. Trajkovic, R. C. Melville and S. C. Fang, ``Improving dc convergence in a circuit simulator using a homotopy method,'' Proc. IEEE Custom Integrated Circuits Conference, San Diego, CA, May 1991, pp. 8.1.1--8.1.4.

    Lj. Trajkovic, R. C. Melville and S. C. Fang, ``Finding dc operating points of transistor circuits using homotopy methods,'' Proc. IEEE Int. Symp. Circuits and Systems, Singapore, June 1991, pp. 758--761.

    W. D. McQuain, C. J. Ribbens, L. T. Watson, R. C. Melville, Lj. Trajkovic, ``Sparse numerical linear algebra problems in circuit simulation,'' Proc. Int. Conf. on Industrial and Applied Mathematics, Washington, DC, 1991, p. P19.

    M. Tolikas, Lj. Trajkovic, and M. Ilic, ``Homotopy methods for solving decoupled power flow equations,'' Proc. IEEE Int. Symp. Circuits and Systems, San Diego, CA, May 1992, pp. 2833--2843.

    J. J. Hickey, T. J. Bogovic, B. S. Davie, W. S. Marcus, V. F. Massa, Lj. Trajkovic, and D. V. Wilson, ``The architecture of the Sunshine broadband testbed,'' Proc. ISS '92, Yokohama, Japan, Oct. 1992, vol. 1, pp. 204--208.

    Lj. Trajkovic and S. Halfin, ``Buffer requirements in ATM networks with leaky buckets,'' Proc. ICC '94, New Orleans, LA, May 1994, pp. 1616--1620.

    ATM Forum Traffic Management Working Group Contributions:
    ATM-Forum/93-0771 ``Proposed traffic management work item - study of scheduling schemes,'' (with M. Garrett and D.-P. Hsing),
    ATM-Forum/94-0077 ``Traffic management and congestion control for ATM LANs,''
    ATM-Forum/94-0265 ``Common scenarios for simulation studies of cell delay variation tolerance,'' (with D.-P. Hsing and J. Bennett), and
    ATM-Forum/94-0413 ``Simulation studies of CDV tolerance - single node configuration,'' (with D.-P. Hsing).

    W. Mathis, Lj. Trajkovic, M. Koch, and U. Feldmann, ``Parameter embedding methods for finding dc operating points of transistor circuits,'' Proc. NDES '95, Dublin, Ireland, July 1995, pp. 147--150.

    Lj. Trajkovic and W. Mathis, ``Parameter embedding methods for finding dc operating points: formulation and implementation,'' Proc. NOLTA '95, Las Vegas, NV, Dec. 1995, pp. 1159--1164.

    Lj. Trajkovic, ``Homotopy methods for solving nonlinear equations and their application in circuit simulation,'' The 2nd IMACS Conference on Applications of Computer Algebra, RISC, Castle Hagenberg, Austria, July 1996.

    A. Neidhardt and Lj. Trajkovic, ``Knowing traffic characteristics on multiple time scales improves efficiency of call admission control policies,'' IEEE ATM'96 Workshop, San Francisco, CA, Aug. 1996, Session TA2.

    J. C. Lagarias and Lj. Trajkovic, ``Bounds for the number of dc operating points of transistor networks,'' Proc. IEEE Int. Symp. Circuits and Systems, Hong Kong, June 1997, pp. 857--860.

    Lj. Trajkovic and A. Neidhardt, ``Traffic characterization and time scales for designing efficient network control policies,'' (invited paper) Proc. NOLTA '97, Hawaii, Dec. 1997, pp. 1157--1160.

    E. Fung, S. Sanders, and Lj. Trajkovic, ``HomSPICE: Simulator with homotopy algorithms for finding dc and steady state solutions of nonlinear circuits,'' Proc. IEEE Int. Symp. Circuits and Systems, Monterey, CA, June 1998, TPA 10-2.

    M. H. Smith, S. Rubin, and Lj. Trajkovic, ``Fuzzy data mining for querying and retrieval of research archival information,'' Proc. 17th International Conference of the NAFIPS, Pensacola Beach, FL, Aug. 1998, pp. 140--145.

    L. Kronenberg, Lj. Trajkovic, and W. Mathis, ``Ein Backtracking-Suchalgorithmus fur topologische Gleichstrom-Arbeitspunkt-Analyse,'' 43rd Int. Scientific Colloquium, Technical University of Ilmenau, Sept. 1998, vol. 3, pp. 131--137.

    M. H. Smith, Lj. Trajkovic, and S. Rubin, ``FuzzyBase: an information -- intelligent retrieval system,'' Proc. 1998 IEEE Int. Conf. on Systems, Man, and Cybernetics, San Diego, Oct. 1998, TA11, pp. 2797--2802.

    A. Dyess, E. Chan, H. Hofmann, W. Horia, and Lj. Trajkovic, ``Simple implementations of homotopy algorithms for finding dc solutions of nonlinear circuits,'' Proc. IEEE Int. Symp. Circuits and Systems, Orlando, FL, June 1999, vol. VI, pp. 290--293.

    C. Cheng, M. Jiang, E. Lo, R.H.S. Hardy, and Lj. Trajkovic, ``Opnet in an education environment: the Simon Fraser University experience,'' OPNETWORK '99, Washington, DC, Aug. 1999.

    L. Kronenberg, Lj. Trajkovic, and W. Mathis, ``Analysis of feedback structures and their effect on multiple dc operating points,'' Proc. European Conference on Circuit Theory and Design, Stresa, Italy, Aug. 1999, pp. 683--686.

    L. Kronenberg, Lj. Trajkovic, and W. Mathis, ``Analysis of feedback structures in FET circuits,'' Proc. X International Symposium on Theoretical Electrical Engineering, Magdeburg, Germany, Sept. 1999, pp. 445--450.

    S. H. Rubin, M. H. Smith, and Lj. Trajkovic, ``Randomizing the knowledge acquisition bottleneck,'' Proc. 1999 IEEE Int. Conf. on Systems, Man, and Cybernetics, Tokyo, Japan, Oct. 1999, pp. V 790--V 795.

    L. Kronenberg, W. Mathis, and Lj. Trajkovic, ``PFBS method for the analysis of transistor circuits: proof of uniqueness,'' Mixed Design of Integrated Circuits and Systems, MIXDES 2000, Gdynia, Poland, June 2000, pp. 145--148.

    F. Xue, V. Markovski, and Lj. Trajkovic, ``Wavelet analysis of packet loss in video transfers over UDP,'' Proc. Internet Computing 2000, Las Vegas, NV, June 2000, pp. 427--433.

    F. Xue and Lj. Trajkovic, ``Performance analysis of a wavelet-based Hurst parameter estimator for self-similar network traffic,'' Proc. SPECTS '2K, Vancouver, BC, Canada, July 2000, pp. 278--285.

    V. Markovski and Lj. Trajkovic, ``Analysis of loss periods for video transfer over UDP,'' Proc. SPECTS '2K, Vancouver, BC, Canada, July 2000, pp. 294--298.

    L. Kronenberg, W. Mathis, and Lj. Trajkovic, ``Limitations of criteria for testing transistor circuits for multiple dc operating points,'' 43rd Midwest Symposium on Circuits and Systems, MWSCAS 2000, Lansing, MI, Aug. 2000.

    M. Jiang, R. H. S. Hardy, and Lj. Trajkovic, ``Simulating CDPD network using OPNET,'' OPNETWORK 2000, Washington, DC, Aug. 2000.

    N. Alborz, M. Keyvani, M. Nikolic, and Lj. Trajkovic, ``Simulation of packet data networks using OPNET,'' OPNETWORK 2000, Washington, DC, Aug. 2000.

    L. Kronenberg, Lj. Trajkovic, and W. Mathis, ``Finding dc operating points: limitations of topological and determinant criteria,'' Proc. NOLTA 2000, Dresden, Germany, Sept. 2000, pp. 209--212.

    F. Lau, S. H. Rubin, M. H. Smith, and Lj. Trajkovic, ``Distributed denial of service attacks,'' Proc. 2000 IEEE Int. Conf. on Systems, Man, and Cybernetics, Nashville, TN, Oct. 2000, pp. 2275--2280.

    S. Rubin, Lj. Trajkovic, J. Boerke, and R. Rush, Jr., ``On the role of randomization in software engineering,'' to be published in Proc. IEMS 2001, Cocoa Beach, FL, March 2001.

    F. Xue, V. Markovski, and Lj. Trajkovic, ``Packet loss in video transfers over IP networks,'' to be published in Proc. IEEE Int. Symp. Circuits and Systems, Sydney, Australia, May 2001.

    M. Jiang, M. Nikolic, S. Hardy, and Lj. Trajkovic, ``Impact of self-similarity on wireless data network performance,'' to be published in Proc. ICC 2001, June 2001, Helsinki, Finland.

    A. Danes, S. Rubin, M. Smith, and Lj. Trajkovic, ``Mapping the Internet,'' to be published in Proc. NAFIPS 2001, Vancouver, BC, July 2001.

    UNPUBLISHED TECHNICAL REPORTS

    Lj. Trajkovic, W. Marcus, and V. F. Massa, ``Input Port Controller for the Sunshine Switch,'' Bellcore, Internal Memorandum IM-BCR-178, October 4, 1992.

    Lj. Trajkovic, ``Traffic Management and Congestion Control for ATM Local Area Networks,'' Bellcore, Internal Memorandum, IM-468, December 14, 1994.

    Lj. Trajkovic and D. Daly, ``Traffic Measurements in High-Speed Networks,'' Bellcore, Internal Memorandum, IM-469, December 14, 1994.

    R. Caballero, M. Kerner, A. Kwan, R. Lau, P. Skelly, and Lj. Trajkovic, ``QOS Objectives for a Broadband Video Network,'' Bellcore, Technical Memorandum, TM-STS-24839, July 1995.

    INVITED TALKS

    ``Tesla's vision of the wireless global communications,'' Engineering 24, Nikola Tesla: The Genius Who Lit The World, Fall 2000 Freshman Seminar, UC Berkeley, CA, October 2000.

    ``Characterization of Internet traffic and its impact on network performance,'' Nuclear Engineering Colloquiums, UC Berkeley, CA, October 2000.

    Lectures on ``Packet networks, ATM, and new technologies,'' Universidad del Mayab, Merida, Mexico, 05/03-05/2000.

    ``Homotopy algorithms for finding dc and steady state solutions of nonlinear circuits,'' Tokushima University, Tokushima, Japan, 04/22/1998; Kyushu University, Fukuoka, Japan, 05/09/1998; Kyoto University, Kyoto, Japan, 05/17/1998; Sophia University, Tokyo, Japan, 05/22/1998; Centre for Experimental and Constructive Mathematics, Simon Fraser University, Burnaby, BC, Canada, 11/25/1998.

    ``Homotopy algorithms for finding dc and steady state solutions of nonlinear circuits,'' presented at the workshop on ``Algorithmic Methods for Semiconductor Circuitry'' Institute for Mathematics and its Applications, University of Minnesota, Minneapolis, MN, 11/24-25/1997.

    ``Effect of Traffic Knowledge on the Efficiency of Admission Control Policies,'' School of Engineering Science, Simon Fraser University, Burnaby, Canada, 05/15/97.

    ``Simulation Tools for Analog VLSI Circuits,'' ECE Department, Johns Hopkins University, Baltimore, MD, 04/04/1997.

    ``Traffic Traces and Measurement Tools in Support of a Viable Quality of Service Concept in Communication Networks,'' Telesis Technologies Laboratory, San Ramon, CA, 01/07/1997; University of Texas, Arlington, TX, 01/24/1997; Oklahoma State University, Stillwater, OK, 01/31/1997.

    ``Parameter Embedding Methods for Finding DC Operating Points: Formulation and Implementation,'' Analogy, Beaverton, OR, 01/10/1996; Siemens, Munich, Germany, 07/22/1996; Mentor Graphics/ANACAD, Grenoble, France, 07/24/1996.

    ``Your First Industrial Job: Learning the Ropes and Riding the Waves,'' EECS Department, UC Berkeley, 02/05/1996 (WWW: http://diva.eecs.berkeley.edu/~ljilja/WICSE).

    ``Traffic Characteristics and Call-Admission Control Policies in High-Speed Networks,'' CS Department, UC Davis, CA, 05/22/1996; EE Department, University of Wuppertal, Germany, 08/13/1996; EECS Department, UC Berkeley, 10/24/1996.

    ``Parameter Embedding Methods (Homotopy and Continuation) in Nonlinear Circuits,'' EPFL, Lausanne, Switzerland, 07/26/1996.

    ``Homotopy Methods for Solving Nonlinear Equations and their Application in Circuit Simulation,'' EE Department, Dresden University, Germany, 08/12/1996.

    ``Theory, Analysis, and Simulation of Nonlinear Electronic Circuits,'' two-day workshop, University of Novi Sad, Yugoslavia, 08/19-20/1996.

    ``Homotopy Methods for Solving Nonlinear Equations and their Application in Simulation of Electronic Circuits,'' EE Department, Belgrade University, 08/22/1996.

    ``On Transistor Circuits DC Operating Points,'' EECS Department, UC Berkeley, 11/12/1996.

    ``Finding Transistors DC Operating Points: Can We Improve Existing Analog Simulation Tools?,'' Analogy, Beaverton, OR, 12/18/1996; EE Department, Bucknell University, Lewisburg, PA, 02/28/1997.

    ``Collection and Characterization of Traffic in High-Speed Networks,'' ECE Department, Carnegie Mellon University, Pittsburgh, PA, 04/27/1995.

    ``Homotopy Methods for Solving Nonlinear Equations and their Application in Circuit Simulation,'' ECE Department, Carnegie Mellon University, Pittsburgh, PA, 04/27/1995; EE Department, Flinders University, Adelaide, Australia, 07/23/1995.

    ``Parameter Embedding Methods for Finding DC Operating Points: Formulation and Implementation,'' EECS Department, UC Berkeley, 12/08/1995.

    ``Congestion Control Mechanisms for ATM Networks,'' ECE Department, North Carolina State University, Raleigh, NC, 04/29/1994.

    ``Simulating Leaky Bucket in ATM Networks,'' LATM meeting, Bellcore, Morristown, NJ, 02/05/1993; AURORA Jamboree, MIT, 02/22/1993.

    ``Congestion and Scheduling Issues in ATM,'' LATM meeting, Xerox PARC, Palo Alto, CA, 04/19/1993.

    ``Traffic and Congestion Control Issues in ATM,'' LATM meeting, HP, Palo Alto, CA, 05/14/1993.

    ``ATM Cell Header Processor for the Sunshine Switch,'' AURORA Jamboree, University of Pennsylvania, Philadelphia, PA, 11/12--13/1991.

    ``Improving DC Convergence in a Circuit Simulator Using a Homotopy Method,'' EE Department, UCLA, Los Angeles, CA, 05/17/1991.

    ``Homotopy Methods for Circuit Simulation,'' AT&T, Dallas, TX, 01/26/1990.

    ``Homotopy Methods for Finding DC Operating Points,'' EE Department, Princeton University, Princeton, NJ, 02/13/1990; EE Department, Michigan State University, East Lansing, MI, 04/13/1990.

    ``Homotopy Methods for DC Operating Points,'' AT&T Bell Laboratories, Allentown, PA, 09/20/1989.

    ``Nonlinear Transistor Circuits,'' Bell Communications Research, Morristown, NJ, 10/17/1989; Engineering Department, Harvey Mudd College, Claremont, CA, 12/12/1989.

    ``Bistability in Transistor Circuits,'' AT&T Bell Laboratories, Murray Hill, NJ, 01/18/1988; EE Department, Michigan State University, East Lansing, MI, 02/01/1988.

    ``Bistable Transistor Circuits: Theory, Simulation, and Modeling,'' AT&T Bell Laboratories, Murray Hill, NJ, 10/07/1988.

    ``Nonlinear Phenomena in VLSI Circuits,'' EE Department, Princeton University, Princeton, NJ, 05/04/1987.

    ``Nonlinear Transistor Circuits,'' AT&T Bell Laboratories, 06/05/1985; Bell Communications Research, Red Bank, NJ, 08/26/1985; DEC, Hudson, MA, 10/28/1985.

    ``Negative Differential Resistance in Transistor Circuits,'' EE Department, University of Illinois, Champaign, Urbana, IL, 10/01/1985. 

    Last updated Wednesday June 21 11:24:00 PDT 2000.