The Cayley-Menger determinant is irreducible for n≥3n\geq 3

We prove that the Cayley-Menger determinant of an $n$-dimensional simplex is an absolutely irreducible polynomial for $n\geq3.$ We also study the irreducibility of polynomials associated to related geometric constructions.Comment: 7 pages, 4 figure

The Labour Market Effects of Immigration

This briefing discusses the impacts of immigration on the labour market in the UK, focusing on wages and employment