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 ('19ead8f506d196b31399d76383486971', '0', '10.1.9.143, 216.73.216.27', '1768530276', '/fichaartigo?id=639');
MySQL Error:Data too long for column 'ip' at row 1
Date:Friday, January 16, 2026 at 1:54:36 AM
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 ('19ead8f506d196b31399d76383486971', '0', '10.1.9.143, 216.73.216.27', '1768530276', '/fichaartigo?id=639');
MySQL Error:Data too long for column 'ip' at row 1
Date:Friday, January 16, 2026 at 1:54:36 AM
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 |