The "Schubert class" refers to a specific type of mathematical class in the field of algebraic geometry. It is named after the composer Franz Schubert, but the term is used in a completely different context. Schubert classes are associated with Schubert varieties, which are certain subvarieties of Grassmannians. These classes play a crucial role in the study of intersection theory and can be used to compute various geometric properties. In algebraic geometry, Schubert classes help in understanding the relationships between different geometric objects. They are often represented in cohomology, allowing mathematicians to analyze how these classes intersect with one another. This has applications in various areas, including enumerative geometry and mathematical physics.