quasidefinite en · ADJ
Etymology
From quasi- + definite.
Meanings
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(empty-gloss, no-gloss, not-comparable) (mathematics)
The transformation theory is finally discussed in the context of the 2D non-Abelian Toda lattice hierarchy, understood as the theory of continuous transformations of quasidefinite sesquilinear forms.
2016, Carlos Álvarez-Fernández, Gerardo Ariznabarreta, Juan C. García-Ardila, Manuel Mañas, Francisco Marcellán, “Transformation theory and Christoffel formulas for matrix biorthogonal polynomials on the real line”, in arXiv: