نتایج جستجو برای: nrits sequences
تعداد نتایج: 212255 فیلتر نتایج به سال:
Let R be a commutative Noetherian ring and let M be a nitely generated R-module. If I is an ideal of R generated by M-regular sequence, then we study the vanishing of the rst Tor functors. Moreover, for Artinian modules and coregular sequences we examine the vanishing of the rst Ext functors.
In this article, we show the existence of certain exact sequences with respect to two homology theories, called d-homology and extended d-homology. We present sufficient conditions for the existence of long exact extended d- homology sequence. Also we give some illustrative examples.
P48 protein of Mycoplasma agalactiae is used to diagnose infection and was identified as potential vaccine candidate. According to the genetic nature of mycoplasma and variable sensitivity in P48-based serological diagnosis tests, intra species variation of P48 nucleotide sequence investigated in 13 field isolates of difference province of Iran along with three vaccine strains. Samples were col...
Background and Aim: Heart rate variability used as a non-invasive method to investigate the effect of aerobics exercise on the cardiac autonomic system. The aim of this study was the nonlinear analysis of the effect of aerobic exercise in the water on the cardiac autonomic system in academic youngchr('39')s males. Materials and Methods: A total of 28 young men were purposefully selected and ra...
Since the seminal note published by M. Somos in 1989, a great deal of attention specialists number theory and adjacent areas are attracted nonlinear sequences that satisfy quadratic recurrence relation. At same time, special is paid to construction integer their Laurent property with respect initial values coefficients recurrence. In fundamental works Robinson, Fomin Zelevinsky Somos-k sequence...
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