A. El-Hafez

collaborators

2 papers

q-bio.TO2017

Are Paralysed Chondrocytes Really Dying?

Y. A. Ahmed, L. Tatarczuch, A. El-Hafez +3

The aims of the current study were to establish a system of culture for induction of paralysed chondrocytes and to investigate if these cells are really dying. Chondrocytes were is…

math.QA2004

Group-cograded multiplier Hopf (*-)algebras

A. T. Abd El-hafez, L. Delvaux, A. Van Daele

Let $G$ be a group and assume that $(A_{p})_{p \in G}$ is a family of algebras with identity. We have a {\it Hopf $G$ -coalgebra} (in the sense of Turaev) if, for each pair $p, q \in G$ ,…