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6 papers · 1 filter
Generating the surface mapping class group by two elements
Mustafa Korkmaz
Wajnryb proved that the mapping class group of an orientable surface is generated by two elements. We prove that one of these generators can be taken as a Dehn twist. We also prove…
Relative Flux Homomorphism in Symplectic Geometry
Yildiray Ozan
In this work we define a relative version of the flux homomorphism, introduced by Calabi in 1969, for a symplectic manifold. We use it to study (the universal cover of) the group o…
A study of Mg adsorption on Si(001) surface from first principles
R. Shaltaf, E. Mete, Ş. Ellialtıoğlu
First-principles calculations using density functional theory based on norm-conserving pseudopotentials have been performed to investigate the Mg adsorption on the Si(001) surface…
Homomorphisms from mapping class groups
William Harvey, Mustafa Korkmaz
This paper concerns rigidity of the mapping class groups. We show that any homomorphism between mapping class groups of closed orientable surfaces wi…
Sigma-meson and omega-rho mixing effects in omega --> pi^+ pi^- gamma decay
A. Gokalp, A. Kucukarslan, S. Solmaz +1
We calculate the branching ratio of omega --> pi^+ pi^- gamma decay in a phenomenological framework in which the contributions of VMD, chiral loops, sigma-meson intermediate state…
Electronic and Structural Properties of a 4d-Perovskite: Cubic Phase of SrZrO
E. Mete, R. Shaltaf, S. Ellialtioglu
First-principles density functional calculations are performed within the local density approximation to study the electronic properties of SrZrO, an insulating 4d-perovskite,…