Data too long for column 'ip' at row 1
Database Error
Message:MySQL Query fail: INSERT INTO `ga_sessoes` (`id_sessao`, `id_user`, `ip`, `expiracao`, `local`) VALUES ('c21648541bf3058ef9a865100987a555', '0', '10.1.207.19, 216.73.216.123', '1769368439', '/fichaartigo?id=639');
MySQL Error:Data too long for column 'ip' at row 1
Date:Sunday, January 25, 2026 at 6:43:59 PM
Script:/fichaartigo?id=639
Data too long for column 'ip' at row 1
Database Error
Message:MySQL Query fail: INSERT INTO `ga_sessoes` (`id_sessao`, `id_user`, `ip`, `expiracao`, `local`) VALUES ('c21648541bf3058ef9a865100987a555', '0', '10.1.207.19, 216.73.216.123', '1769368439', '/fichaartigo?id=639');
MySQL Error:Data too long for column 'ip' at row 1
Date:Sunday, January 25, 2026 at 6:43:59 PM
Script:/fichaartigo?id=639
Gazeta de matemática

On abelian groups with the unique square root property

It is well known that, if G is a finite group (multiplicatively written), then each element of G has a square root, if and only if the order of G is odd.

PDF do Artigo | PDF integral
Gazeta nº 103, pág. nº 2 | Categoria: Artigos | Palavras-Chave: gazeta, matemática, grupos, abelianos
Autor(es): José Morgado |