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1. 

   Isomorphisms into section spaces of Banach bundles

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Terje Hõim D.A. Robbins

   Let X be a compact Hausdorff space, E a (real) Banach space, and let C(X, E) be the space of continuous functions from X to E. The monograph of Cembranos and Mendoza provides a primer on when C (X, E)...

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2. 

   An Answer to a Question on the Affine Bijections on C(X, I)

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zafer Ercan Süleyman Önal

   A complete description of the bijective affine map on C(X, I) is given. This provides an answer to a question of [2] on the affine bijections on C(X, I).

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3. 

   The isomorphism problem for rational group algebras of finite metacyclic nilpotent groups

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Àngel García-Blázquez --- Universidad de Murcia, Spain Ángel del Río --- Universidad de Murcia, Spain

   We prove that if G and H are finite metacyclic groups with isomorphic rational group algebras and one of them is nilpotent, then G and H are isomorphic.

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4. 

   On conjugacy of additive actions in the affine Cremona group

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ivan Arzhantsev --- HSE University, Russia

   An additive action on an irreducible algebraic variety X is an effective action with an open orbit of the vector group . Any two additive actions on X are conjugate by a birational automorphism of X. We prove that, if...

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