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+--- Thread: modular tetration (/showthread.php?tid=561)
modular tetration - tommy1729 - 12/26/2010
modular tetration
the title is pretty clear.
we know alot about modular aritmetic.
but what about tetration ?
what do we know about e.g. a^^b mod p where p is a large odd prime and a and b are odd composites ?
or how do we solve for the smallest b satisifying
a^^b = c^^d mod p
how about cryptography ?
how about fixpoints ? or theorems ? conjectures ?
are there special kinds of primes p such that " equation mod p " is made easier ?
did i ask this before on this forum ?
regards
tommy1729