نتایج جستجو برای: 2 imes 2 matrix
تعداد نتایج: 2802886 فیلتر نتایج به سال:
A route to cationic tungsten alkylidyne N-heterocyclic carbene (NHC) complexes of the general formula [W(CR)X2(NHC)(tBuCN)y+B(ArF)4–] (R = tBu, C6H4-4-OMe; X Br, Cl, OTf; NHC 1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene, IMes; 1,3-bis(2,6-diisopropylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene, IDipp; 1,3-dimesityl-4,5-dichloro-1,3-dihydro-2H-imidazol-2-ylidene, IMesCl2; y 1, 2; ArF 3,5-bis(tri...
The regulation of matrix metalloproteinases (MMP) has been studied extensively due to the fundamental roles these zinc-endopeptidases play in diverse physiological and pathological processes. However, phosphorylation has not previously been considered as a potential modulator of MMP activity. The ubiquitously expressed MMP-2 contains 29 potential phosphorylation sites. Mass spectrometry reveals...
We explore the Hyers–Ulam stability of perturbations for a homogeneous linear differential system with $$2\times 2$$ constant coefficient matrix. New necessary and sufficient conditions to be stable are proven, first time, best (minimal) systems is found in some cases. Several examples provided. Obtaining second-order equations illustrates applicability strong results.
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