Grigoriy BlekhermanRainer SinnGregory G. SmithMauricio Velasco2026-03-222026-03-22202110.1090/noti2280https://doi.org/10.1090/noti2280https://andeanlibrary.org/handle/123456789/52742Citaciones: 2How do we find the minimum of the function 2( 2 -) on the unit sphere? An algebraic way to see that the minimum equals -1 involves the decompositionenVariety (cybernetics)Projective testMathematicsAlgebra over a fieldAlgebraic numberReal algebraic geometryAlgebraic geometryFocus (optics)Commutative propertyPure mathematicsarticle