In this paper, the necessary and sufficient conditions for product of composition operators to be isometry are obtained on weighted Bergman space. With help a counter example we also proved that unlike [Formula: see text] operator induced by an analytic self-map with fixed origin need not norm one. We have generalized Schwartz’s [Composition text], thesis, University Toledo (1969)] well-known r...

This study determined the effect of fermentation by Fresco DVS 1010 starter culture with added probiotic strain Lactobacillus rhamnosus GG and potentially isolate plantarum HM1, at times (0, 8 h) cold storage period (24 h, 4th day, 7th 14th day), on microbial parameters, pH changes, total phenolic content, compounds profile, antioxidant activity buckwheat water- milk-based mashes, flavored cran...