D. Popovi'c

activity

19972020

collaborators

3 papers

math.GR2020

The soluble radical and orbits of certain maps on finite groups

David Popović, John S. Wilson

For each element $u$ in a finite group $G$ define a map $θ_{u} : G \to G$ by $θ_{u} (g) = [g^{- u}, g]$ and set $Θ_{G} (u) = {g \in G ∣ θ_{u}^{n} (g) = g for some n > 0}$ . Then $θ_{u}$ induc…

math.GR2019

Distinguishing crystallographic groups by their finite quotients

Paweł Piwek, David Popović, Gareth Wilkes

Using the computer algebra program GAP, we show that all crystallographic groups in dimensions at most 4 are distinguished from each other by their sets of finite quotients.

hep-th1997

On the Equivalence between 2D Induced Gravity and a WZNW system

M. Blagojević, D. Popović, B. Sazdović

A general method of constructing canonical gauge invariant actions is used to establish the equivalence between 2D induced gravity and a WZNW system, defined by a difference of two…