Drinfel'd Doubles, Twists and All That... in Stringy Geometry and M Theory

Aybike Çatal-Özer, Keremcan Doğan, Cem Yetişmişoğlu

Drinfel'd double of Lie bialgebroids plays an important role in T-duality of string theories. In the presence of $H$ and $R$ fluxes, Lie bialgebroids should be extended to proto Li…