Lower Bound for the Class Number of ℚn2+4

In this paper, we give an explicit lower bound for the class number of real quadratic field ℚd, where d=n2+4 is a square-free integer, using  ωn which is the number of odd prime divisors of n.

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Main Authors: Hasan Sankari, Ahmad Issa
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/2020/9519613
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author Hasan Sankari
Ahmad Issa
author_facet Hasan Sankari
Ahmad Issa
author_sort Hasan Sankari
collection DOAJ
description In this paper, we give an explicit lower bound for the class number of real quadratic field ℚd, where d=n2+4 is a square-free integer, using  ωn which is the number of odd prime divisors of n.
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institution Kabale University
issn 0161-1712
1687-0425
language English
publishDate 2020-01-01
publisher Wiley
record_format Article
series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-9becd794176f45959d3f9ae0f67eb9812025-02-03T01:05:24ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252020-01-01202010.1155/2020/95196139519613Lower Bound for the Class Number of ℚn2+4Hasan Sankari0Ahmad Issa1Department of Mathematics, Faculty of Science, Tishreen University, Lattakia, SyriaDepartment of Mathematics, Faculty of Science, Tishreen University, Lattakia, SyriaIn this paper, we give an explicit lower bound for the class number of real quadratic field ℚd, where d=n2+4 is a square-free integer, using  ωn which is the number of odd prime divisors of n.http://dx.doi.org/10.1155/2020/9519613
spellingShingle Hasan Sankari
Ahmad Issa
Lower Bound for the Class Number of ℚn2+4
International Journal of Mathematics and Mathematical Sciences
title Lower Bound for the Class Number of ℚn2+4
title_full Lower Bound for the Class Number of ℚn2+4
title_fullStr Lower Bound for the Class Number of ℚn2+4
title_full_unstemmed Lower Bound for the Class Number of ℚn2+4
title_short Lower Bound for the Class Number of ℚn2+4
title_sort lower bound for the class number of qn2 4
url http://dx.doi.org/10.1155/2020/9519613
work_keys_str_mv AT hasansankari lowerboundfortheclassnumberofqn24
AT ahmadissa lowerboundfortheclassnumberofqn24