The number of degree restricted maps on
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Zhicheng Gao
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Article
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1993
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Elsevier Science
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English
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Let D be a finite set of positive integers with maximum bigger than two and ti,,.(rii,,.) be the number of n-edged rooted maps on the orientable (nonorientable) surface of type 9 whose face degrees (or, dually, vertex degrees) all lie in D. Define A&)= 1 ~g,&", ll>O cl,(x)= 1 fis,"X". ## Il>O We