Geodesic
Some notions of amenability for certain products of Banach algebras
Eghbal Ghaderi 1   ; Rasoul Nasr-Isfahani 1   ; Mehdi Nemati 2
1 Department of Mathematical Sciences Isfahan University of Technology Isfahan 84156-83111, Iran and School of Mathematics Institute for Research in Fundamental Sciences (IPM)
2 Department of Mathematical Sciences Isfahan University of Technology Isfahan 84156-83111, Iran and School of Mathematics Institute for Research in Fundamental Sciences (IPM) P. O. Box 19395-5746, Tehran, Iran
Colloquium Mathematicum, Tome 130 (2013) no. 2, pp. 147-157 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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For two Banach algebras $\cal A$ and $\cal B$, an interesting product ${\cal A}\times _{\theta }{\cal B}$, called the $\theta $-Lau product, was recently introduced and studied for some nonzero characters $\theta $ on $\cal B$. Here, we characterize some notions of amenability as approximate amenability, essential amenability, $n$-weak amenability and cyclic amenability between $\cal A$ and $\cal B$ and their $\theta $-Lau product.
DOI : 10.4064/cm130-2-1
Keywords: banach algebras cal cal interesting product cal times theta cal called theta lau product recently introduced studied nonzero characters theta cal here characterize notions amenability approximate amenability essential amenability n weak amenability cyclic amenability between cal cal their theta lau product

Eghbal Ghaderi  1   ; Rasoul Nasr-Isfahani  1   ; Mehdi Nemati  2

1 Department of Mathematical Sciences Isfahan University of Technology Isfahan 84156-83111, Iran and School of Mathematics Institute for Research in Fundamental Sciences (IPM)
2 Department of Mathematical Sciences Isfahan University of Technology Isfahan 84156-83111, Iran and School of Mathematics Institute for Research in Fundamental Sciences (IPM) P. O. Box 19395-5746, Tehran, Iran 
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Eghbal Ghaderi; Rasoul Nasr-Isfahani; Mehdi Nemati. Some notions of amenability for certain products of Banach algebras. Colloquium Mathematicum, Tome 130 (2013) no. 2, pp. 147-157. doi: 10.4064/cm130-2-1

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