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Date: 24-7-2020
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Date: 27-1-2021
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Date: 4-11-2019
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A -number is a real number
such that
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for all , 2, ..., where frac
is the fractional part of
. Mahler (1968) showed that there is at most one
-number in each interval
for integer
, and therefore concluded that it is unlikely that any
-numbers exist. The
-numbers arise in the analysis of the Collatz problem.
REFERENCES:
Flatto, L. "-Numbers and
-Transformations." Symbolic Dynamics and its Applications, Contemporary Math. 135, 181-201, 1992.
Guy, R. K. "Mahler's -Numbers." §E18 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 220, 1994.
Lagarias, J. C. "The Problem and its Generalizations." Amer. Math. Monthly 92, 3-23, 1985.
Mahler, K. "An Unsolved Problem on the Powers of 3/2." Austral. Math. Soc. 8, 313-321, 1968.
Tijdman, R. "Note on Mahler's -Problem." Kongel. Norske Vidensk Selsk. Skr. 16, 1-4, 1972.
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لخفض ضغط الدم.. دراسة تحدد "تمارين مهمة"
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طال انتظارها.. ميزة جديدة من "واتساب" تعزز الخصوصية
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عوائل الشهداء: العتبة العباسية المقدسة سبّاقة في استذكار شهداء العراق عبر فعالياتها وأنشطتها المختلفة
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