Some results on polynomially Drazin normal operators
Sid Ahmed Ould Ahmed Mahmoud، Messaoud Guesba، Naeem Ahmad
المُخرَجات البحثية
On a class of Drazin invertible operators for which $$\left( S^{*}\right) ^{2}\left( S^{D}\right) ^{2}=\left( S^{*}S^{D}\right) ^{2}$$
Messaoud Guesba، Sid Ahmed Ould Ahmed Mahmoud
Elliptic curve of rank at least 4 over $${\mathbb {Q}}(k)$$ with torsion point of order 4
Rational solutions of the Diophantine equations $$f(x)^2 \pm f(y)^2=z^2$$
Ahmed El Amine Youmbai، Djilali Behloul