Dear colleague, We would like to announce that Volume 3, Issue 1, Winter 2018 of the Advances in Operator Theory (AOT) was published. It is dedicated to the late professor Uffe Haagerup. We would like to invite you to submit a paper of high standard to this journal. Please keep the journal in your mind for your forthcoming paper. http://aot-math.org/ Sincerely yours, M. S. Moslehian Editor-in-chief 1. Complex interpolation and non-commutative integration Klaus Werner Show Article<http://www.aot-math.org/article_42356.html> | Full Text<http://www.aot-math.org/article_42356_71777b147346763bfff24fc7d39d965f.pdf> 2. Semicontinuity and closed faces of C*-algebras Lawrence G. Brown Show Article<http://www.aot-math.org/article_43918.html> | Full Text<http://www.aot-math.org/article_43918_bf8da69fd044f09da9c3e4f4db9277c1.pdf> 3. The closure of ideals of $\ell^1(\Sigma)$ in its enveloping $\mathrm{C}^*$-algebra Marcel de Jeu; Jun Tomiyama Show Article<http://www.aot-math.org/article_44047.html> | Full Text<http://www.aot-math.org/article_44047_f65a8f1062ea283744db5848a9363ba9.pdf> 4. Positive map as difference of two completely positive or super-positive maps Tsuyoshi Ando Show Article<http://www.aot-math.org/article_44116.html> | Full Text<http://www.aot-math.org/article_44116_531ea9ae7786a407c42b2866cb0dd368.pdf> 5. Some natural subspaces and quotient spaces of $L^1$ Gilles Godefroy; Nicolas Lerner Show Article<http://www.aot-math.org/article_44924.html> | Full Text<http://www.aot-math.org/article_44924_ba9c3c5c2f3766d6635df15b74db8914.pdf> 6. Partial isometries: a survey Antonio Peralta; Francisco J Fernandez-Polo Show Article<http://www.aot-math.org/article_45165.html> | Full Text<http://www.aot-math.org/article_45165_94afcb414af03a75e4a512f171c4db10.pdf> 7. Operators with compatible ranges in an algebra generated by two orthogonal projections Ilya M Spitkovsky Show Article<http://www.aot-math.org/article_45166.html> | Full Text<http://www.aot-math.org/article_45166_aed3194d347d41e51b89267a4029d5d6.pdf> 8. Permanence of nuclear dimension for inclusions of unital $C^*$-algebras with the Rokhlin property Hiroyuki Osaka; Tamotsu Teruya Show Article<http://www.aot-math.org/article_45177.html> | Full Text<http://www.aot-math.org/article_45177_609d8347a1a4c02639504efeafda0dce.pdf> 9. Almost Hadamard matrices with complex entries Teodor Banica; Ion Nechita Show Article<http://www.aot-math.org/article_45905.html> | Full Text<http://www.aot-math.org/article_45905_9d673bba71c41fc688aba52b6f8a1896.pdf> 10. Non-commutative rational functions in strong convergent random variables Sheng Yin Show Article<http://www.aot-math.org/article_46452.html> | Full Text<http://www.aot-math.org/article_46452_614d056f5f7799b607d6277111157ff4.pdf> 11. Fourier multiplier norms of spherical functions on the generalized Lorentz groups Troels Steenstrup Show Article<http://www.aot-math.org/article_47035.html> | Full Text<http://www.aot-math.org/article_47035_188d9dff266918afd8450b07fe22a042.pdf> 12. On a class of Banach algebras associated to harmonic analysis on locally compact groups and semigroups Anthony To-Ming Lau; Hung Le Pham Show Article<http://www.aot-math.org/article_47586.html> | Full Text<http://www.aot-math.org/article_47586_4d00ddd2b10646cbc0d558bf63b4c156.pdf> 13. Uniformly bounded representations and completely bounded multipliers of ${\rm SL}(2,\mathbb{R})$ Francesca Astengo; Michael G. Cowling; Bianca Di Blasio Show Article<http://www.aot-math.org/article_49322.html> | Full Text<http://www.aot-math.org/article_49322_22d66b67cb2a0a25c1f990a92fdf1ff4.pdf> 14. Completely positive contractive maps and partial isometries Berndt Brenken Show Article<http://www.aot-math.org/article_49352.html> | Full Text<http://www.aot-math.org/article_49352_b35db7c10682e142099c3a89ec189db7.pdf> 15. Uffe Haagerup - his life and mathematics Mohammad Sal Moslehian; Erling Stormer; Steen Thorbjoernsen; Carl Winsløw Show Article<http://www.aot-math.org/article_50017.html> | Full Text<http://www.aot-math.org/article_50017_53b4c3d7f46e44ffb517cab097d0a9ae.pdf>