Journal of Prime Research in Mathematics

Boyd indices for quasi-normed rearrangement invariant spaces

G. E. Karadzhov
Insitute of Mathematics and Informatics, Bulgarian Academy of Sciences and Abdus Salam School of Mathematical Sciences, GC University, Lahore, Pakistan.

\(^{1}\)Corresponding Author:


We calculate the Boyd indices for the sum and intersection of two quasi-normed rearrangement invariant spaces. An application to Lorentz type spaces is also given.


Rearrangement invariant function spaces, Boyd indices, interpolation spaces.