D. Neftin

collaborators

3 papers

math.NT2025

On rational connectedness and parametrization of finite Galois extensions

Daniel Krashen, Danny Neftin

Given two $G$ -Galois extensions of $Q$ , is there an extension of $Q (t)$ that specializes to both? The equivalence relation on $G$ -Galois extension of $Q$ , i…

math.NT2024

The Grunwald problem and homogeneous spaces with non-solvable stabilisers

Elyes Boughattas, Danny Neftin

We give an affirmative answer to the Grunwald problem for new families of non-solvable finite groups G, away from the set of primes dividing |G|. Furthermore, we show that such G v…

math.NT2024

Polynomial compositions with large monodromy groups and applications to arithmetic dynamics

Joachim KÃ¶nig, Danny Neftin, Shai Rosenberg

For a composition $f = f_{1} \circ \dots \circ f_{r}$ of polynomials $f_{i} \in Q [x]$ of degrees $d_{i} \geq 5$ with alternating or symmetric monodromy group, we show that the monodromy…