RT Journal Article T1 Borsuk-Dugundji type extension theorems with Busemann convex target spaces A1 Espínola, Rafa A1 Madiedo Castro, Óscar Reynaldo A1 Nicolae, Adriana AB In this work we study continuity properties of convex combinations in Busemann convex geodesic spaces and apply them to obtain two extension results for continuous and Lipschitz mappings with values in a Busemann convex space. PB Suomalainen Tiedeakatemia/Academia Scientiarum Fennica SN 1239-629X YR 2018 FD 2018 LK https://hdl.handle.net/20.500.14352/19042 UL https://hdl.handle.net/20.500.14352/19042 LA eng NO Ministerio de Economía y Competitividad (MINECO) DS Docta Complutense RD 29 jul 2025