John Strain and Maciej Zworski 2004 Nonlinearity 17 1607 doi:10.1088/0951-7715/17/5/003
John Strain and Maciej Zworski
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We show that the zeta function for the dynamics generated by the map z
z2 + c, c < − 2, can be estimated in terms of the dimension of the corresponding Julia set. That implies a geometric upper bound on the number of its zeros, which are interpreted as resonances for this dynamical systems. The method of proof of the upper bound is used to construct a code for counting the number of zeros of the zeta function. The numerical results support the conjecture that the upper bound in terms of the dimension of the Julia set is optimal.
11S40 Zeta functions and L-functions (See also 11M41, 19F27)
Issue 5 (September 2004)
Received 2 December 2003, in final form 18 March 2004
Published 27 May 2004
John Strain and Maciej Zworski 2004 Nonlinearity 17 1607
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