Z particle
mass of, 1046
and number of neutrinos, 1047
Z transforms
and spectra of substitution systems, 1081
Zebras
correlation of two sides of, 1014
pigmentation patterns of, 426
stripes as camouflage for, 1012
stripes on as discrete, 337
Zeckendorff representation, 892, 1070
Zener diodes
as source of randomness, 970
Zeno's paradox
and discrete space, 1027
Zermelo, Ernst F. F. (Germany, 1871-1953)
and set theory, 1154
Zermelo-Fraenkel set theory, 1154
Zero equivalence
undecidability of, 1138
Zero-point fluctuations, 1062
and model of electron, 1044
and notion of ether, 1042
and uniform spectra, 988
Zeros
of sine functions, 917
of zeta function, 918
|  | Zeta (Riemann zeta function), 148, 909
and density of relative primes, 1093
difficulty of evaluating, 1134
and distribution of primes, 909
and Feynman diagrams, 1060
from rational integrals, 916
as special function, 1092
Zeta functions
for periodic points, 959
ZF (Zermelo-Fraenkel set theory), 1154
ZFC (standard set theory), 1154
Zhabotinsky, Anatol M. (Russia/USA, 1938- )
and oscillatory chemical reactions, 1013
Ziggurats
rules for building, 874
Zipf, George K. (USA, 1902-1950)
and Zipf's law, 1014
Zipf's law, 1014
Zippers
characteristic shapes of, 1183
Ziv, Jacob (Israel, 1931- )
and data compression, 1069
Zuse, Konrad (Germany, 1910-1995)
and universe as CA, 1026
Zygmund series, 918
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