کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8900238 | 1631558 | 2018 | 34 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A generalized modified Bessel function and a higher level analogue of the theta transformation formula
ترجمه فارسی عنوان
یک تابع بسل اصلاح شده و یک آنالوگ سطح بالایی از فرمول تبدیل تتا
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
آنالیز ریاضی
چکیده انگلیسی
A new generalization of the modified Bessel function of the second kind Kz(x) is studied. Elegant series and integral representations, a differential-difference equation and asymptotic expansions are obtained for it thereby anticipating a rich theory that it may possess. The motivation behind introducing this generalization is to have a function which gives a new pair of functions reciprocal in the Koshliakov kernel cosâ¡(Ïz)M2z(4x)âsinâ¡(Ïz)J2z(4x) and which subsumes the self-reciprocal pair involving Kz(x). Its application towards finding modular-type transformations of the form F(z,w,α)=F(z,iw,β), where αβ=1, is given. As an example, we obtain a beautiful generalization of a famous formula of Ramanujan and Guinand equivalent to the functional equation of a non-holomorphic Eisenstein series on SL2(Z). This generalization can be considered as a higher level analogue of the general theta transformation formula. We then use it to evaluate an integral involving the Riemann Î-function and consisting of a sum of products of two confluent hypergeometric functions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Mathematical Analysis and Applications - Volume 459, Issue 1, 1 March 2018, Pages 385-418
Journal: Journal of Mathematical Analysis and Applications - Volume 459, Issue 1, 1 March 2018, Pages 385-418
نویسندگان
Atul Dixit, Aashita Kesarwani, Victor H. Moll,