We consider a few topics in E11 approach to superstring/M-theory: even subgroups (Z2 orbifolds) of En, n=11,10,9 and their connection to Kac-Moody algebras; EE11 subgroup of E11 and coincidence of one of its weights with the l1 weight of E11, known to contain brane charges; possible form of supersymmetry relation in E11; decomposition of l1 w.r.t. the SO(10, 10) and its square root at first few...

We have analyzed the effect of triiodothyronine and the tumor promoter 12-O-tetradecanoylphorbol-13-acetate on expression of the transformed phenotype, as monitored by agar clonigenicity, in a single cell clone of type 5 adenovirus-transformed Sprague-Dawley rat embryo cells, E11, and a nude mouse tumor-derived E11 subclone, E11-NMT. When grown in medium devoid of thyroid hormone, the cloning e...

The transmembrane glycoprotein E11 is considered critical in early osteoblast-osteocyte transitions (osteocytogenesis), however its function and regulatory mechanisms are still unknown. Using the late osteoblast MLO-A5 cell line we reveal increased E11 protein/mRNA expression (P < 0.001) concomitant with extensive osteocyte dendrite formation and matrix mineralization (P < 0.001). Transfection ...

In the study of conjecture on M-theory as a non-linear realization E11/K11 we present arguments for the following: 1)roots of K11 coincide with the roots of Kac-Moody algebra EE11 with Dynkin diagram given in the paper, 2)one of the fundamental weights of EE11 coincides with l1 weight of E11, known to contain 11d supergravity brane charges. The statement 1) is extended on E10 and E9 algebras. E...

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