Alexander Ng Tengfat Yong

20022020
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Schubert Calculus Mathematics
Schubert Varieties Mathematics
Grassmannian Mathematics
Tableaux Mathematics
Polynomial Mathematics
Quiver Mathematics
Combinatorics Mathematics
Flag Variety Mathematics

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Research Output 2002 2020

Tropicalization, symmetric polynomials, and complexity

Woo, A. & Yong, A., Jul 1 2020, In : Journal of Symbolic Computation. 99, p. 242-249 8 p.

Research output: Contribution to journalArticle

Schur Polynomials
Polynomial Complexity
Symmetric Polynomials
Stable Polynomials
Schubert Polynomials

Newton polytopes in algebraic combinatorics

Monical, C., Tokcan, N. & Yong, A., Dec 1 2019, In : Selecta Mathematica, New Series. 25, 5, 66.

Research output: Contribution to journalArticle

polytopes
Polytopes
Combinatorics
newton
polynomials

Vanishing of Littlewood–Richardson polynomials is in P

Adve, A., Robichaux, C. & Yong, A. N. T., Jun 1 2019, In : Computational Complexity. 28, 2, p. 241-257 17 p.

Research output: Contribution to journalArticle

Schubert Calculus
Polynomial-time Complexity
Equivariant Cohomology
Tableau
Grassmannian

Equivariant schubert calculus and jeu DE taquin

Thomas, H. & Yong, A. N. T., Jan 1 2018, In : Annales de l'Institut Fourier. 68, 1, p. 275-318 44 p.

Research output: Contribution to journalArticle

Schubert Calculus
Equivariant
Grassmannian
Schur Polynomials
Equivariant K-theory

Governing singularities of symmetric orbit closures

Woo, A., Wyser, B. J. & Yong, A., Jan 1 2018, In : Algebra and Number Theory. 12, 1, p. 173-225 53 p.

Research output: Contribution to journalArticle

Flag Variety
Closure
Orbit
Pattern Avoidance
Singularity