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math.AG2021
Interpolation by decomposable univariate polynomials
Joachim von zur Gathen, Guillermo Matera
The usual univariate interpolation problem of finding a monic polynomial f of degree n that interpolates n given values is well understood. This paper studies a variant where f is…
math.AG2018
Shifted varieties and discrete neighborhoods around varieties
Joachim von zur Gathen, Guillermo Matera
In the area of symbolic-numerical computation within computer algebra, an interesting question is how "close" a random input is to the "critical" ones, like the singular matrices i…