Complex sentence: Annamalai Ramanathan (born 1949 August 29) is an Indian mathematician working in algebraic geometry, who introduced the notion of Frobenius splitting of algebraic varieties, which led to the solution of many problems about Schubert varieties, such as the Demazure character formula.
Split into simpler sentences: Annamalai Ramanathan (born 1949 August 29) is an Indian mathematician working in algebraic geometry, who introduced the notion of Frobenius splitting of algebraic varieties. This led to the solution of many problems about Schubert varieties, such as the Demazure character formula.