Alleged positive conflict of jurisdiction between the state court and the arbitral tribunal. Prior decision of the arbitral tribunal recognizing the validity of the arbitration clause and its jurisdiction to resolve the dispute. Lawsuit filed by one of the parties, in which the court ordered the taking of measures to verify the existence of the arbitration center and the authenticity of the signature of one of the parties. No invasion by the state court of the arbitral tribunal's jurisdiction having been established. Absence of a positive conflict of jurisdiction: