TY - JOUR ID - Toure2013 LB - Toure2013 AU - Toure, Ibrahima AU - Kangni, Kinvi TI - On Gelfand pairs associated to transitive groupoids ST - On Gelfand pairs associated to transitive groupoids JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2013 VL - 33 IS - 4 SP - 751 EP - 762 DO - http://dx.doi.org/10.7494/OpMath.2013.33.4.751 UR - http://dx.doi.org/10.7494/OpMath.2013.33.4.751 AB - Let \(G\) be a topological locally compact, Hausdorff and second countable groupoid with a Haar system and \(K\) a compact subgroupoid of \(G\) with a Haar system too. \((G,K)\) is a Gelfand pair if the algebra of bi-\(K\)-invariant functions is commutative under convolution. In this paper, we give a characterization of Gelfand pairs associated to transitive groupoids which generalize a well-known result in the groups case. Using this result, we prove that the study of Gelfand pairs associated to transitive groupoids is equivalent to that of Gelfand pairs associated to its isotropy groups. KW - transitive groupoids KW - groupoid representation KW - Gelfand pairs SN - 1232-9274 ER -