Some time ago, the concept of integer-detecting sequences of exact height xi was introduced. So far all the occurring exact heights were rational numbers, in fact even unit fractions. Otherwise it was known that 0 < xi less than or equal to 1/3, We show that every positive real number not exceeding 1/3 is the exact height of some integer-detecting sequence and discuss some examples. (C) 1998 Academic Press.
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Jozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, Slovenia
Jozef Stefan Int Postgrad Sch, Jamova 39, Ljubljana 1000, SloveniaJozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, Slovenia
Gec, Bostjan
Dzeroski, Saso
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Jozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, SloveniaJozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, Slovenia
Dzeroski, Saso
Todorovski, Ljupco
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Jozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, Slovenia
Univ Ljubljana, Fac Math & Phys, Jadranska 19, Ljubljana 1000, SloveniaJozef Stefan Inst, Dept Knowledge Technol, Jamova 39, Ljubljana 1000, Slovenia