SPECIAL VOLUME IN HONOUR OF MANUELA SOBRAL Dear Colleages, We are pleased to announce that a Special Volume in honour of Manuela Sobral will be published in the series Texts in Mathematics of the Department of Mathematics of the University of Coimbra, on the occasion of her seventieth birthday. The deadline for submission of articles is June 15, 2014. Texts in Mathematics, Series B http://www.uc.pt/en/fctuc/dmat/departamento/publicacoes/catalogoPublicacoes/... publishes monographs and special volumes, carefully refereed, and it is reviewed by Mathematical Reviews. Authors are asked to prepare their manuscripts following the instructions described at http://www.mat.uc.pt/~wcmat14/proceedings.html The Guest Editors, Maria Manuel Clementino George Janelidze Jorge Picado Lurdes Sousa Walter Tholen [For admin and other information see: http://www.mta.ca/~cat-dist/ ]