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math.DG2022★ 1 cited
Prolongations, invariants, and fundamental identities of geometric structures
Jaehyun Hong, Tohru Morimoto
Working in the framework of nilpotent geometry, we give a unified scheme for the equivalence problem of geometric structures which extends and integrates the earlier works by Carta…
math.DG2004
Rigidity of singular Schubert varieties in Gr(m,n)
Jaehyun Hong
Let a=(p_1^{q_1}, ..., p_r^{q_r}) be a partition and a'=({p_1'}^{q_1'}, >..., {p_r'}^{q_r'}) be its conjugate. We will prove that if q_i, q_i > 1 for all i, then any irreducible su…
math.DG2004★ 1 cited
Rigidity of smooth Schubert varieties in Hermitian symmetric spaces
Jaehyun Hong
Schubert varieties are irreducible subvarieties of homogeneous manifold, which are important to understand the geometry of homogeneous manifold G/P and the action of the semisimple…