2 papers
math.NA2023
Total positivity and least squares problems in the Lagrange basis
Ana Marco, José-Javier Martínez, Raquel Viaña
The problem of polynomial least squares fitting in the standard Lagrange basis is addressed in this work. Although the matrices involved in the corresponding overdetermined linear…
math.CO2008
Depth of segments and circles through points enclosing many points: a note
Pedro Ramos, Raquel Viaña
Neumann-Lara and Urrutia showed in 1985 that in any set of n points in the plane in general positionthere is always a pair of points such that any circle through them contains at l…