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The Borel picture of the cohomology ring of a flag variety gives a description as a coset space, without identifying any representatives for the classes. Lascoux and Sch"utzenberger gave specific representatives in terms of the so called Schubert polynomials. Does anyone know of a presentation of this material for the simplest case of projective space.

The Borel picture of the cohomology ring of a flag variety gives a description as a coset space, without identifying any representatives for the classes. Lascoux and Schützenberger gave specific representatives in terms of the so called Schubert polynomials. Does anyone know of a presentation of this material for the simplest case of projective space.$\,\,$

The Borel picture of the cohomology ring of a flag variety gives a description as a coset space, without identifying any representatives for the classes. Lascaux and Sch"utzenberger gave specific representatives in terms of the so called Schubert polynomials. Does anyone know of a presentation of this material for the simplest case of projective space.

The Borel picture of the cohomology ring of a flag variety gives a description as a coset space, without identifying any representatives for the classes. Lascoux and Sch"utzenberger gave specific representatives in terms of the so called Schubert polynomials. Does anyone know of a presentation of this material for the simplest case of projective space.