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Late-Time Evolution of Charged Gravitational Collapse and Decay of Charged Scalar Hair - I
We study the nonlinear gravitational collapse of a charged massless scalarfield. We confirm the existence of oscillatory inverse power-law tails along future timelike infinity, future null infinityExpand
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Phase transition in random walks with long-range correlations.
  • S. Hod, U. Keshet
  • Mathematics, Medicine
  • Physical review. E, Statistical, nonlinear, and…
  • 20 November 2003
Motivated by recent results in the theory of correlated sequences, we analyze the dynamics of random walks with long-term memory (binary chains with long-range correlations). In our model, theExpand
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Time-dependent random walks and the theory of complex adaptive systems.
  • S. Hod
  • Mathematics, Medicine
  • Physical review letters
  • 3 December 2002
Motivated by novel results in the theory of complex adaptive systems, we analyze the dynamics of random walks in which the jumping probabilities are time dependent. We determine the survivalExpand
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A SIMPLIFIED TWO-BODY PROBLEM IN GENERAL RELATIVITY ∗
General relativity, Einstein's theory of gravity, predicts a universe full of black holes and gravitational waves. The prospects of detecting gravitational waves from inspirals of compactExpand
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Self-segregation versus clustering in the evolutionary minority game.
  • S. Hod, E. Nakar
  • Computer Science, Physics
  • Physical review letters
  • 1 January 2002
TLDR
We explore the dynamics of evolving populations with various different values of the ratio R, and demonstrate that extreme behavior is in fact not a generic feature of adaptive systems. Expand
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Temporal oscillations and phase transitions in the evolutionary minority game.
  • E. Nakar, S. Hod
  • Mathematics, Physics
  • Physical review. E, Statistical, nonlinear, and…
  • 5 June 2002
The study of societies of adaptive agents seeking minority status is an active area of research. Recently, it has been demonstrated that such systems display an intriguing phase transition: agentsExpand
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Strategy updating rules and strategy distributions in dynamical multiagent systems.
  • S. Hod, E. Nakar
  • Mathematics, Medicine
  • Physical review. E, Statistical, nonlinear, and…
  • 5 February 2003
In the evolutionary version of the minority game, agents update their strategies (gene value p) in order to improve their performance. Motivated by the recent intriguing results obtained forExpand
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Evolutionary minority game: the roles of response time and mutation threshold.
  • S. Hod, E. Nakar
  • Computer Science, Medicine
  • Physical review. E, Statistical, nonlinear, and…
  • 2 February 2004
TLDR
In the evolutionary minority game, agents are allowed to evolve their strategies ("mutate") based on past experience. Expand
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Survival probabilities in time-dependent random walks.
  • E. Nakar, S. Hod
  • Mathematics, Physics
  • Physical review. E, Statistical, nonlinear, and…
  • 8 March 2004
We analyze the dynamics of random walks in which the jumping probabilities are periodic time-dependent functions. In particular, we determine the survival probability of biased walkers who areExpand
  • 2
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Survival probabilities of history-dependent random walks.
  • U. Keshet, S. Hod
  • Mathematics, Physics
  • Physical review. E, Statistical, nonlinear, and…
  • 2 June 2005
We analyze the dynamics of random walks with long-term memory (binary chains with long-range correlations) in the presence of an absorbing boundary. An analytically solvable model is presented, inExpand
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