@article{10902/7998, year = {2014}, url = {http://hdl.handle.net/10902/7998}, abstract = {ABSTRACT:We show that the set Td(L1(0, 1)) of cotauberian operators acting on L1(0, 1) is not open, and T ? Td(L1(0, 1)) does not imply T** cotauberian. As a consequence, we derive that the set T(L8(0, 1)) of tauberian operators acting on L8(0, 1) is not open, and that T ? T(L8(0,1)) does not imply T** tauberian.}, publisher = {Birkhauser Verlag AG}, publisher = {Integral Equations and Operator Theory Volume 80, Issue 1, September 2014, Pages 107-116}, title = {Cotauberian Operators on L1(0, 1) Obtained by Lifting}, author = {González Ortiz, Manuel and Martínez Abejón, Antonio}, }