Complex sentence: In mathematics, Dirichlet's test is a method of testing for the convergence of a series and is named after mathematician Johann Dirichlet after he published it in the Journal de Mathématiques Pures et Appliquées in 1862.
Split into simpler sentences: In mathematics, Dirichlet's test is a method of testing for the convergence of a series. It is named after mathematician Johann Dirichlet who published it in the Journal de Mathématiques Pures et Appliquées in 1862.