Hava Siegelmann
Encyclopedia
Hava Siegelmann is a computer scientist
Computer scientist
A computer scientist is a scientist who has acquired knowledge of computer science, the study of the theoretical foundations of information and computation and their application in computer systems....

 at the University of Massachusetts
University of Massachusetts
This article relates to the statewide university system. For the flagship campus often referred to as "UMass", see University of Massachusetts Amherst...

 and director of the school's Biologically Inspired Neural and Dynamical Systems Lab. In the early 1990s she proposed a new computational model, the Artificial Recurrent Neural Network (ARNN), and proved that it could perform beyond the Turing machine limit. This gave rise to her theory of Super-Turing Computation, which has stirred a whole new field in the computer science community and received much attention from the biological and philosophical communities as well. It was her PhD thesis and her subsequent 1995 paper in the Science magazine which she singly authored, where she coined the term Super-Turing, and started the new direction in computation, realization of organic life, and foundation for better Artificial Intelligence. Siegelmann is also one of the originators of the well-known Support Vector Clustering together with Vladimir Vapnik
Vladimir Vapnik
Vladimir Naumovich Vapnik is one of the main developers of Vapnik–Chervonenkis theory. He was born in the Soviet Union. He received his master's degree in mathematics at the Uzbek State University, Samarkand, Uzbek SSR in 1958 and Ph.D in statistics at the Institute of Control Sciences, Moscow in...

 and colleagues. She further introduced the term dynamical health, meaning that in treating disorders, it is too limiting to seek only to repair primary causes of the disorder; any method of returning system dynamics to the balanced range, even under physiological challenges (e.g., by repairing the primary source, activating secondary pathways, or inserting specialized signaling), can ameliorate the system and be extremely beneficial to healing. Using this new concept she revealed the source of disturbance during shift work and travel leading to jet-lag and is currently studying human memory as well as cancer.

Biography

She earned her BA at Technion, her MSc at Hebrew University and her PhD at Rutgers University
Rutgers University
Rutgers, The State University of New Jersey , is the largest institution for higher education in New Jersey, United States. It was originally chartered as Queen's College in 1766. It is the eighth-oldest college in the United States and one of the nine Colonial colleges founded before the American...

, all in Computer Science.

Her initial publications on the computational power of Neural Networks
Neural Networks
Neural Networks is the official journal of the three oldest societies dedicated to research in neural networks: International Neural Network Society, European Neural Network Society and Japanese Neural Network Society, published by Elsevier...

 culminated in a sole-author paper in Science
Science (journal)
Science is the academic journal of the American Association for the Advancement of Science and is one of the world's top scientific journals....

 as well as monograph book on "Neural Networks and Analog Computation: Beyond the Turing Limit".

Papers

She has written over 50 refereed papers in professional journals including:
  • W. Bush and H.T. Siegelmann,"Circadian Synchrony in Networks of Protein Rhythm Driven Neurons" Complexity
    Complexity (journal)
    Complexity is a peer-reviewed scientific journal covering research in the field of complex adaptive systems. The journal's scope includes studies on chaos, genetic algorithms, cellular automata, neural networks, and evolutionary game theory...

     12, Issue 1 (Sept/Oct 2006)
  • T. Leise and H Siegelmann, "Dynamics of a multistage circadian system," Journal of Biological Rhythms
    Journal Of Biological Rhythms
    Journal of Biological Rhythms is a peer-reviewed academic journal that publishes papers in the fields of Psychology and Biology. The journal's editor is Martin Zatz...

    , August, 21:4 (2006), 314-323 - this attracted Media Attention e.g. Boston Globe, Yahoo!News, Forbes
    Forbes
    Forbes is an American publishing and media company. Its flagship publication, the Forbes magazine, is published biweekly. Its primary competitors in the national business magazine category are Fortune, which is also published biweekly, and Business Week...

    , United Press International
    United Press International
    United Press International is a once-major international news agency, whose newswires, photo, news film and audio services provided news material to thousands of newspapers, magazines and radio and television stations for most of the twentieth century...

    , National Public Radio etc.
  • A. Roitershtein, A. Ben-Hur and H.T. Siegelmann "On probabilistic analog automata," Theoretical Computer Science
    Theoretical Computer Science
    The term Theoretical Computer Science may refer to:*The field of theoretical computer science.*Theoretical Computer Science , a journal covering this field....

    , 320(2-3) pp. 449–464, June 2004
  • A. Ben-Hur, H.T. Siegelmann, "Computing with Gene Networks," Chaos 14(1) pp. 145–151, March 2004 (Work was chosen as the work to describe in physics news)
  • A. Ben-Hur, J. Feinberg, S. Fishman and H. T. Siegelmann "Random matrix theory for the analysis of the performance of an analog computer
    Analog computer
    An analog computer is a form of computer that uses the continuously-changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved...

    : a scaling theory," Phys. Lett. A. 323(3-4) pp. 204–209, March 2004
  • A. Ben-Hur, H.T. Siegelmann and S. Fishman. "A theory of complexity for continuous time dynamics." Journal of Complexity 18(1) : 51-86, 2002
  • H.T. Siegelmann, "Neural and Super-Turing Computing," Philosophy
    Philosophy (journal)
    Philosophy is the scholarly journal of the Royal Institute of Philosophy. It is designed to be intelligible to the non-specialist reader and has been in continuous publication for over 80 years. It is published by Cambridge University Press and is currently edited by Anthony O'Hear.-See also:* ...

     2002
  • H.T. Siegelmann, "Analog Computational Power," Science
    Science (journal)
    Science is the academic journal of the American Association for the Advancement of Science and is one of the world's top scientific journals....

    , 271(19), January 1996: 373 - responding to comments on her earlier article
  • H.T. Siegelmann, "Computation Beyond the Turing Limit," Science
    Science (journal)
    Science is the academic journal of the American Association for the Advancement of Science and is one of the world's top scientific journals....

    , 238(28), April 1995: 632-637
  • H.T. Siegelmann and E.D. Sontag, "Analog Computation via Neural Networks," Theoretical Computer Science
    Theoretical Computer Science
    The term Theoretical Computer Science may refer to:*The field of theoretical computer science.*Theoretical Computer Science , a journal covering this field....

    , 131, 1994: 331-360
  • H.T. Siegelmann and E.D. Sontag, "Turing Computability with Neural Networks," Applied Mathematics Letters, 4(6), 1991: 77-80


and in addition given numerous invited lectures at conferences and research institutions.

Books

  • Neural Networks and Analog Computation : Beyond the Turing Limit Birkhauser, Boston, December 1998 ISBN 0-8176-3949-7


She has contributed 18 book chapters including:
  • "Neural Computing". New Trends in Computer Science, Gheroge Paul editor, 2003
  • "Neural Automata and Computational Complexity," in Handbook of Brain Theory and Neural Networks, Michael A. Arbib
    Michael A. Arbib
    Michael A. Arbib is the Fletcher Jones Professor of Computer Science, as well as a Professor of Biological Sciences, Biomedical Engineering, Electrical Engineering, Neuroscience and Psychology at the University of Southern California...

     (ed.), 2002
  • "Finite vs. Infinite Descriptive Length in Neural Networks and the Associated Computational Complexity," in Finite vs. Infinite: Contributions to an Eternal Dilemma, C. Calude and Gh. Paun (eds.), Springer Verlag, 2000
  • "Neural Automata and Computational Complexity," in Handbook of Brain Theory and Neural Networks, Michael A. Arbib
    Michael A. Arbib
    Michael A. Arbib is the Fletcher Jones Professor of Computer Science, as well as a Professor of Biological Sciences, Biomedical Engineering, Electrical Engineering, Neuroscience and Psychology at the University of Southern California...

     (ed.), 2000
  • "Computability with Neural Networks," in Lectures in Applied Mathematics, Vol. 32, J. Reneger, M. Shub, and S. Smale (eds.), American Mathematical Society
    American Mathematical Society
    The American Mathematical Society is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, which it does with various publications and conferences as well as annual monetary awards and prizes to mathematicians.The society is one of the...

    , 1996: 733-747
  • "Recurrent Neural Networks," in The 1000th Volume of Lecture Notes in Computer Science
    Lecture Notes in Computer Science
    Lecture Notes in Computer Science is a series of computer science books that has been published by Springer Science+Business Media since 1973....

    : Computer Science Today, Jan van Leeuwen
    Jan van Leeuwen
    Jan van Leeuwen is a Dutch computer scientist, a professor at the Department of Information and Computing Sciences at the Utrecht University....

    (ed.), Springer Verlag, 1995: 29-45
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