Matthias Kawski School of Mathematical and Statistical Sciences Arizona State University

Conferences and other invited talks

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Hyperlinks to conference home-pages and official abstracts are provided where available.
For refereed conference papers see the list of publications.

1985-87, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002 2003 2004 2005 2006 2007 2008 2009     Colloquia until 2000, since 2000

1985-1987

2. A new necessary condition for local controllability,
Conference on Differential Geometry,
San Antonio TX, April 1986. (Contributed)

3. High order local controllability,
NSF-Workshop on Controllability and Optimality,
Rutgers University, May 1987. (also Co-Organizer)

4. Control variations and local controllability,
MTNS 87 (Symposium Mathematical Theory Networks and Systems),
Phoenix AZ, June 1987. (Invited)

5. High order phenomena in local controllability,
3^rd Southwest Symposium on Systems and Control,
Tempe, December 1987. (Invited)
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1988

6. Stabilization of nonlinear systems in the plane,
Conference "30 years of Modern Control",
University of Rhode Island, June 1988. (Invited)

7. An angular open mapping theorem,
INRIA 8^th Conference Analysis and Optimization of Systems,
Antibes, France, June 1988. (Contributed)

8. Stabilizing nonlinear systems using Hoelder continuous feedback laws,
Colloque International Automatique Non Lineaire,
Nantes, France, June 1988. (Invited)

9. Singular systems, dilations, and stabilizability,
1^st Conference on Computation and Control,
Bozeman MT, August 1988. (Invited)

10. Stabilizability and nilpotent approximations,
27^th IEEE CDC (Conference Decision Control),
Austin TX, December 1988. (Invited)

11. Using nonlinearities to obtain stability,
27^th IEEE CDC (Conference Decision Control),
Austin TX, December 1988. (Invited)
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1989

12. Continuous feedback laws in dimension three,
and: Organizer of minisymposium: Advances in Lie theoretic methods;
SIAM Conference "Control in the Nineties", San Francisco, May 1989. (Invited)

13. The complexity of deciding controllability,
MTNS 89 (Symposium Mathematical Theory Networks and Systems),
Amsterdam June 1989. (Contributed last minute result)

14. Homogeneous stabilizing feedback law,
28^th IEEE CDC (Conference Decision Control),
Tampa, FL, December 1989. (Invited)
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1990

15. Families of Dilations and Asymptotic Stability,
Conference on Analysis of Controlled Dynamical Systems,
Universite Claude Bernard Lyon 1, France, July 1990. (Invited)

16. Continuous stabilizing feedback laws,
Joint Conference on New Trends in Systems Theory,
Universita di Genoa and Ohio State University, Genova, Italy, July 1990. (Invited)

17. Homogeneous feedback stabilization and applications to nonlinear adaptive control,
2^nd Conference on Computation and Control,
Bozeman, Montana, August 1990. (Invited)
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1991

18. Asymptotic Feedback Stabilization,
97^th AMS Annual Meeting,
San Francisco, Jan. 1991. (Invited)

19. Practical Computation of accessibility, controllability, and nilpotent approximations,
European Conference on Algebraic Computations in Control,
Paris, France, March 1991. (Contributed)

20. missing title
NSF-CMBS Conference on New Trends in Nonlinear Control Theory,
Baton Rouge, Louisiana, May 1991. (Invited)

21a. Feedback stabilization, homogeneity, and nonlinear dynamics on spheres and SO(3),
MTNS 91 (Symposium Mathematical Theory Networks and Systems),
Kobe, Japan, June 1991. (Invited)

21b. High order conditions for local controllability in practice,
MTNS 91 (Symposium Mathematical Theory Networks and Systems),
Kobe, Japan, June 1991. (Invited)

22. The combinatorics of free nilpotent systems,
Workshop on Nonlinear Control Theory,
Center for Nonlinear Studies, Los Alamos National Laboratory, New Mexico, July 1991. (Invited)

23. Nonlinear Realizations of Nilpotent Lie Algebras,
Workshop on Nonlinear Control of Articulated Flexible Structures,
University of California at Santa Barbara, October 1991. (Contributed)
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1992

25. Combinatorics on words and geometry of control systems,
Workshop on Geometric Variational Problems and Optimal Control,
The Fields Institute, Waterloo, Ontario, June 1992. (Invited)

26. Combinatorics of realizations of nilpotent control systems,
IFAC NOLCOS (Nonlinear Control Systems Design Symposium),
Bordeaux, France, June 1992. (Invited)

27. Is controllability finitely determined?,
SIAM Conference on Control,
Minneapolis, Minnesota, September 1992. (Contributed)
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1993

29. Nonlinear Controllability and Chronological products: Algebra and Applications to Control,
Workshop on Geometric Methods in Control Theory,
Banach Institute, Warsaw, Poland; June 1993. (Invited)

30. Chronological products and the path planning problem,
IMACS Symposium on Symbolic Computing,
Lille, France, June 1993. (Invited)

31. Calculus reform,
aatm (Arizona Association of Teachers of Mathematics),
Phoenix, September 1993. (Invited)
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1994

33. Just taking a different point of view,
Conference on the Teaching of Calculus,
Ann Arbor, MI, June 1994 (Contributed).

34. High order conditions for optimality,
SIAM Annual meeting,
San Diego, CA, June 1994. (Invited)

35. Chronological algebras and nonlinear control,
Asian Control Conference,
Tokyo, Japan, July 1994. (Invited).

36. High order conditions for optimality,
33^rd IEEE CDC (Conference Decision Control),
Orlando FL, December 1994. (Invited).
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1995

38. Almost-chattering of time-optimal controls,
SIAM Conference on Dynamical Systems,
Snowbird, UT, May 1995. (Invited).

39. 3D-graphics for double and triple integrals, (with S. Holland, contributed), (postscript)
and Differential Equations (invited panelist) ,
Conference on the Teaching of Mathematics,
San Jose, CA, June 1995.

40. Geometric Homogeneity and Applications to Stabilization,
IFAC NOLCOS (Nonlinear Control Systems Symposium),
Lake Tahoe, CA, June 95. (Contributed).

41. An introduction to practical MAPLE 3D-graphics,
CoMaTh (Conference on Maple and Theorist),
Stockton, CA, August 95.
(Three invited one-hour workshops, with S. Holland), ( postscript, MAPLE)

42. Hierarchical Control of Re-entrant Semiconductor Fabrication Lines,
(with A.A. Rodriguez, D. Riviera, and K. Tsakalis)
Workshop on Semiconductor Manufacturing Control and Optimization,
Tempe, Oct. 1995.

43. Set-up times lead to a conflict between objectives,
INFORMS 95 (Institute for Operations Research and Management Science),
New Orleans, October 1995.

44. More 3D-views: Stabilizing the inverted pendulum and more,
8^th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
Houston, Nov. 1995.
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1996

46. Vector Calculus via Linearization,
MAA - AZMATYC Joint Spring Meeting,
Flagstaff, April 1996.

47. Organizer: NSF-Symposium on Implementing Reform in Math and the Sciences,
Scottsdale, June 1996.

48. Vector Calculus via Linearizations,
5^th Conference on the Teaching of Mathematics,
Baltimore, June 1996. (Contributed).

49. Highly oscillatory variations in optimal control,
MTNS 96 (Symposium Mathematical Theory Networks and Systems),
St. Louis, June 1996. (Invited).

50. Control into the first Differential equations course!,
and Organizer of minisymposium: The new sophomore differential equations courses,
SIAM Annual meeting,
Kansas City, July 1996.

51. Vector Calculus via Linearizations
9^th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
Reno, NV, Nov. 1996. ( .ppt)
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1997

53. Combinatorics and Controlled Dynamical Systems,
Southwest Dynamical Systems Conference,
Denton, TX, April 1997. (Invited).

54. Modelling and control of re-entrant semiconductor manufacturing facilities: A hierarchical approach,
American Control Conference, (presented by El Adl, Flores-Godoy, Rodriguez)
Albuquerque, NM, June 1997. (session).

55. Computer Visualization and Vector Calculus,
2^nd Asian Technology Conference in Mathematics
Penang, Malaysia June 1997. (Contributed) ( postscript, electronic Proceedings )

56. Chronological algebras, Chen series and product expansions,
AMS Summer Research Institute Differential Geometry and Control,
Boulder, CO, July 1997. (Invited).

57. Regularity of optimal controls and bifurcations,
18^th IFIP Conf. System Modelling and Optimization
Detroit, MI, July 1997. (Invited). ( abstract).

58. Computer algebra systems in vector calculus: A radically new approach based on visualization,
4^th Int. Symp. on DERIVE and the TI-92,
Kungsbacka, Sweden, August, 1997. ( .ppt)

59. How CAS and visualization lead to a complete rethinking of an introduction to vector calculus,
3^rd Intl. Conf. Techn. in Math.Teaching,
Koblenz, Germany, Sept. 1997. (Proceedings, postscript, slides)

60. Vector calculus via linearizations (Invited) ( slides)
and An interactive JAVA microscope to visualize divergence and curl via zooming (contributed, with S. Holland)
10^th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
Chicago, IL, Nov. 1997.
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1998

62. Algebraic foundations of noncommuting flows
NODEM 98 (Workshop on Numerical Solution of ODEs on Manifolds),
Tempe, April 1998. (Invited) ( abstract).

63. (with S.Holland) Interactive visualization reconnects a compartmentalized curriculum,
NSF regional workshop: Shaping the Future of SMET Education,
Lincoln, NE, May 1998. (Poster).

64. Space-age projects for an integrated vector calculus,
7^th Conference on the Teaching of Mathematics,
Samos, Greece, July 1998. (Contributed)

65. Optimal controls for nilpotent systems,
MTNS 98 (Symposium Mathematical Theory Networks and Systems),
Padova, Italy, July 1998. (Invited). ( abstract).

66. Performance limitations of discrete re-entrant systems with set-ups,
MTNS 98 (Symposium Mathematical Theory Networks and Systems),
Padova, Italy, July 1998. (Invited). ( abstract).

67. An interative JAVA-scope for vectorfields,
MAA Mathfest,
Toronto, July 1998. (Contributed)

68. Technology in the Classroom.
Foundation Coalition Conference,
Colorado Springs, Aug. 1998. (Invited workshop).

69. missing title
Int. Conf. dedicated to the 90^th Ann. of Pontryagin,
Moscow, Russia, August 1998. (Invited)

70. The role of a visual language in re-connecting a compartmentalized curriculum,
3^rd Ann. Conf. Research in Undergrad. Math. Educ.
South Bend IN, Sept. 1998. (Contributed).

71. The Balance - A moving target: Experiences from 5 years of integrated courses in Engineering,
AMS Meeting 938
Tucson AZ, Nov. 1998. (Invited) ( ppt-slides, 4MB)

72. missing title
11th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
New Orleans, Nov. 1998. (Invited)
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1999

73. A visual integration of vector calculus and differential equations
4^th Int.Conf.Techn.Math.Teaching
Plymouth, UK, Aug. 1999. (Invited) (HTML/GIF)

74. missing title
12th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
San Francisco, Nov. 1999. (Invited)

75. Controllability via chronological calculus,
38^th IEEE CDC (Conference Decision Control),
Phoenix, Dec 1999. (Invited)
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2000

77. Interactive JAVA for flows and the curl,
MAA regional meeting
Tempe, AZ, April 2000. (Contributed).

78. A new era of interactive visualization
AMS Scand 2000 (1^st AMS-Scandinavian Joint Mtg. / XXIII Scandinavian Congress of Math),
Odense, Denmark, June 2000. (Invited 1-hour keynote)

79. Compositions of nonlinear systems
MTNS 2000 (Symposium Mathematical Theory Networks and Systems),
Perpignan, France, June 2000.

80. Comparison of the log of the Chen series and exponential product expansions
Workshop Mathematical Control Theory and Robotics, (SISSA)
Trieste, Italy, June 2000. (Invited)

81. Coordinates of the first kind and controllability
Conference on Geometric Control Theory and Applications,
Mexico City, September 2000. (Invited)

82. Vector calculus via linearization: visualization and modern applications,
13th ICTCM, (Int. Conf. Techn. in Coll. Mathematics),
Atlanta, November 2000.

83. Calculus of nonlinear interconnections with applications
39^th IEEE CDC (Conference Decision Control)
Sydney, Australia, December 2000. (Invited)

84. Interactive visualization across the curriculum,
5^th atcm (Asian Technology Conference Math)
Chiang Mai, Thailand, December 2000. (Invited plenary lecture) (Return to the top)

2001

86. High order conditions for optimality and high order approximating cones using
a geometric language, AMS Spring Central Section Meeting ,
Lawrence, KS, March 2001. (Invited)

87. A central role for interactive visualization in advanced courses
3^rd Southern Hemisphere Symp Undergrad Math Teaching
Krueger National Park, South Africa, July 2001. (Invited plenary lecture).

88. High-order approximating cones - a geometric view,
5^th SIAM Conference on Control and Applications
San Diego, July 2001. (Invited)

89. The combinatorics of Nonlinear Controllability and noncommuting flows,
Summer School Mathematical Control Theory at Abdus Salam Internat.Centre for Theoret.Phys.,
Trieste, Italy, September 2001. (Four invited 75-min lectures).

90. Model software tools for inquiry based learning,
6^th Asian Technology Conference Mathematics,
Melbourne, Australia, December 2001. (Invited plenary lecture).
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2002

92. Nilpotent bases of distribution, (with H. Hermes), and
MTNS 2002, U of Notre Dame Indiana, August 2002. 93. Bases for Lie algebras and a continuous CBH formula,
MTNS 2002, U of Notre Dame Indiana, August 2002.

94. On high-order maximum principles,
Symp. New Trends Nonlinear Dynamics and Control and their Applications,
Naval Postgraduate School, Monterey, CA, October 2002.

95. Lack of convexity for tangent cones of needle variations (with Rosa-Maria Bianchini),
41th IEEE CDC (Conf. Decision and Control) Las Vegas, Dec. 2002. (Contributed).
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2003

96. Nonconvex needle variations,
Louisana Conference on Mathematical Control Theory,
Baton Rouge, LA, April 2003. (Invited)

97. Visualizing Agrache's curvature of optimal control,
Workshop on Geometry in Nonlinear Control, Banach Center, Bedlevo, Poland. June 2003. (Invited)

98. CAS or MATLAB in first year collegiate math?,
ICTME 2 Int. Conf. Trends in Math. Education, Beirut, Lebanon. June 2003. (Contributed)

99. Optimal Inventory Policies for a Supply Chain, (presented by Eric Gehrig),
SIAM Conf. on Math in Industry, Toronto. October 2003. (Contributed)

100. Optimal control of supply chains with variable product mixes, (with Eric Gehrig),
INFORMS. Atlanta. October 2003. (Contributed)

101. Functions and Operators in MAPLE and in MATLAB
delta 03 (4^th Southern Hemisphere Symposium on Undergraduate Mathematics Teaching)
Queenstown. New Zealand. November 2003. (Contributed)

102. Curvature for Everyone 8^th Asian Technology Conference Mathematics,
Hsin-Chu, Taiwan, December 2003. (Invited plenary lecture).
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2004

103. AMS-MAA Joint meetings co-organizer of MAA panel:
Voices of the partner disciplines: Building on the MAA curriculum foundations project.
Phoenix, Jan 2004.

104. (no formal talk) Fondazione C.I.M.E. Nonlinear and Optimal Control Theory,
Cetraro, Italy, June 2004.

105. Combinatorics and Geometry for Nonlinear Control.
1^st Control Training Site Workshop, Istituto de Sistemas e Robotica.
Coimbra, Portugal, July 2004. (Invited Plenary)

106. Calculus of Vector Fields using JAVA
II Bienal da Sociedade Brasileira de Matemática,
Universidade Federal da Bahia, San Salvador, Brazil, October 2004. (Invited)

107. Computer Álgebra for Visualizing Curvature
II Bienal da Sociedade Brasileira de Matemática,
Universidade Federal da Bahia, San Salvador, Brazil, October 2004. (Invited)
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2005

108. (with Tevian Dray) Visualizing Vector Derivatives: The Vector Field Analyzer
AMS-MAA Annual Joint Meetings
Atlanta, Georgia, January 2005. (Contributed).

109. Geometry and Algebra of Noncommuting Flows,
Los Alamos Days - Arizona,
Tucson, Arizona, January 2005. (Invited).

110. On Agrachev's curvature of optimal control,
AMS Regional meeting
Lubbock, Texas, April 2005. (Invited).

111. Combinatorics and algebra of series expansions in nonlinear control,
9^th Int. Conf. Stability, Control & Rigid Bodies Dynamics
Donetsk, Ukraine, September 2005. (Invited plenary).

112. Functions: Looking ahead beyond calculus,
delta05 5^th Southern Hemisphere Symposium on Undergraduate Mathematics Teaching,
Fraser Island, Australia, November 2005. (Contributed).
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2006

113. And where do the definitions and theorems come from?
9^thAnnual Legacy of R. L. Moore Conference
Austin, TX, May 2006. (Contributed).

114. Symmetries in Feedback Stabilization: Combining Dilations with the Hopf Map
Geometric Control and Nonsmooth Analysis (Hermes & Rockafellar)
Rome, Italy, June 2006. (Invited).

115. Using bases to simplify asymptotic expansions (w/ Amit Sanyal)
3^rd IFAC Workshop on Lagrangian and Hamiltonian Methods for Nonlinear Control
Nagoya, Japan, July 2006. (Contributed).

116. On the problem whether controllability is finitely determined
MTNS 2006,
Kyoto, Japan, July 2006. (Contributed).

117. Zermelo's Navigation Problem: Optimal Control, Geometry, and Computer Algebra
11^th Asian Tech in Math Conf
Hongkong, China, Dec 2006. (Invited plenary).

118. Computer Algebra and Dynamic Geometry
11^th Asian Tech in Math Conf
Hongkong, China, Dec 2006. (Invited panel).
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2007

119. Continuous stabilization of low-dimensional nonlinear systems
Dayawansa memorial conference, Lubbock, TX, April 2007. (Invited)

120. Curvature of optimal control: Deformation of classical planar systems
CT 07 SIAM Conference on Control Theory and its Applications, CP11
San Francisco, June 2007. (Contributed).

120.a. Bases for the Shuffle Algebra (presented by E. Gehrig)
CT 07 SIAM Conference on Control Theory and its Applications, CP3
San Francisco, June 2007. (Contributed).

121. Curvature of optimal control: Deformation of classical planar systems (with P. Maxwell)
23^rd IFIP Conference on System Modelling and Optimization
Cracow, Poland, July 2007. (Invited)

122. Simplifying series expressions in optimal control
American Math. Society Joint Internat. Meeting with the Polish Math. Society
Warsaw, Poland, August 2007. (Invited)

123. Teaching university mathematics and coaching youth soccer: problem solving
delta 07 6^th Southern Hemisphere Symposium on Undergraduate Mathematics Teaching,
El Calafate, Argentina, November 2007. (Contributed).

124. Dynamic visualization in advanced undergraduate courses
delta 07 6^th Southern Hemisphere Symposium on Undergraduate Mathematics Teaching,
El Calafate, Argentina, November 2007. (Contributed).

125. Chronological calculus and nonlinear feedback loops
American Math. Society Joint Internat. Meeting with the NewZealand Math. Society
Wellington, New Zealand, December 2007. (Invited)

126. Interactive visualization in advanced university mathematics
American Math. Society Joint Internat. Meeting with the NewZealand Math. Society
Wellington, New Zealand, December 2007. (Contributed)

127. Modeling oxygen uptake dynamics during exercise (study group)
Workshop Applic. Math to Biomedical Problems
Dunedin, New Zealand, December 2007. (Invited)
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2008

128. Hopf algebra structures in nonlinear control systems
American Math. Society SouthWest Regional Mtg
Claremont, CA, May 2008. (Contributed)

129. A Hopf-Algebraic Formula for Compositions of Noncommuting Flows (with Eric Gehrig),
47^th IEEE CDC (Conf. Decision and Control)
Cancun, Mexico, Dec. 2008. (Invited).

130. From f(x) to xf: Using technology to promote advanced modern mathematical thinking
13^th Asian Tech in Math Conf
Bangkok, Thailand, Dec 2008. (Invited).
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2009

131. Applications of Hopf Algebras and Chronological Calculus to Controllability
7^th Int. Conf. Large-Scale Scient. Computations,
Sozopol, Bulgaria, June 2009. (Invited).

132. Control interpretations of the two convolution products in the Hopf algebra
SIAM Conf. Control and Applics
Denver, Colorado, July 2009.

132.a. (organizer) Minisymposium: Algebraic Tools for Nonlinear Control
SIAM Conf. Control and Applics
Denver, Colorado, July 2009.

133. Control interpretations of the two convolution products in the Hopf algebra
48^th IEEE CDC (Conf. Decision and Control)
Shanghai, China, Dec. 2009. (Contributed).

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