کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5772627 | 1630634 | 2017 | 27 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Continued fractions and q-series generating functions for the generalized sum-of-divisors functions
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
اعداد جبر و تئوری
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We construct new continued fraction expansions of Jacobi-type J-fractions in z whose power series expansions generate the ratio of the q-Pochhammer symbols, (a;q)n/(b;q)n, for all integers nâ¥0 and where a,b,qâC are non-zero and defined such that |q|<1 and |b/a|<|z|<1. If we set the parameters (a,b):=(q,q2) in these generalized series expansions, then we have a corresponding J-fraction enumerating the sequence of terms (1âq)/(1âqn+1) over all integers nâ¥0. Thus we are able to define new q-series expansions which correspond to the Lambert series generating the divisor function, d(n), when we set zâ¦q in our new J-fraction expansions. By repeated differentiation with respect to z, we also use these generating functions to formulate new q-series expansions of the generating functions for the sums-of-divisors functions, Ïα(n), when αâZ+. To expand the new q-series generating functions for these special arithmetic functions we define a generalized class of so-termed Stirling-number-like “q-coefficients”, or Stirling q-coefficients, whose properties, relations to elementary symmetric polynomials, and relations to the convergents to our infinite J-fractions are also explored within the results proved in the article.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Number Theory - Volume 180, November 2017, Pages 579-605
Journal: Journal of Number Theory - Volume 180, November 2017, Pages 579-605
نویسندگان
Maxie D. Schmidt,