TY - JOUR AU - Pablos Romo, Fernando PY - 2004 SN - 1609-3321, 1609-4514 UR - http://hdl.handle.net/10366/164065 AB - [EN]Let 0 → K_U → Y → X → 0 be a sequence of morphisms of algebraic groups over an algebraically closed field k, where X is an abelian variety, K_U is a unipotent, connected and commutative group scheme, and (X, π) is a geometric quotient of Y by... LA - eng PB - AMS. American Mathematical Society KW - Theta group KW - Invertible sheaf KW - Unipotent group KW - Abelian variety TI - Theta Groups over Extensions of Abelian Varieties by Unipotent Groups DO - 10.17323/1609-4514-2004-4-2-503-510 T2 - Moscow Mathematical Journal VL - 4 M2 - 503 ER -