Chris

Manchester, Μάντσεστερ, Ηνωμένο Βασίλειο

MSc in Pure Mathematics at the University of Manchester, Manchester, UK
BSc in Mathematics at Aristotle University of Thessaloniki, Thessaloniki, Greece

Find all $n \in \mathbb{Z^+}$ such that $\phi(n)=4$

number-theory elementary-set-theory solution-verification asked Jan 2, 2017 at 20:25

reference-request book-recommendation asked Jul 10, 2017 at 13:37

ag.algebraic-geometry algebraic-curves textbook-recommendation asked Nov 11, 2016 at 23:07

abstract-algebra group-theory solution-verification finite-groups alternative-proof asked Sep 2, 2021 at 23:18

abstract-algebra group-theory abelian-groups book-recommendation group-actions asked Mar 24, 2018 at 20:41

abstract-algebra ring-theory irreducible-polynomials maximal-and-prime-ideals asked Jun 26, 2018 at 19:47

abstract-algebra algebraic-geometry ring-theory maximal-and-prime-ideals multivariate-polynomial asked Jun 27, 2018 at 1:33

abstract-algebra field-theory extension-field pi transcendental-numbers asked Sep 9, 2018 at 15:29

homological-algebra book-recommendation asked Oct 25, 2018 at 20:41

elementary-number-theory quadratic-residues asked Feb 7, 2017 at 16:09