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Generalised Dirichlet-Type Distributions [PDF]

open access: yesThe Egyptian Statistical Journal, 1985
Series of independent life tests based on exponential model are considered. The distribution of a linear combination of spacings (LCOS) as well as the distribution of the sum of LCOS are used to develop new distributions which are generalised Dirichlet ...
G.S. Lingappaiah
doaj   +1 more source

Aquaporin‐3 and aquaporin‐5 impact the development of pancreatic ductal adenocarcinoma spheroids

open access: yesFEBS Open Bio, EarlyView.
Schematic representation of the role of aquaporin‐3 (AQP3) and aquaporin‐5 (AQP5) in pancreatic ductal adenocarcinoma (PDAC). Both proteins are upregulated in PDAC and are associated with tumor progression and metastatic potential. Silencing AQP3 or AQP5 in PDAC spheroids results in decreased diameter, area, and overall growth, underscoring their key ...
Catarina Pimpão   +3 more
wiley   +1 more source

Random convolution of O-exponential distributions

open access: yesNonlinear Analysis, 2015
Assume that ξ1, ξ2, ... are independent and identically distributed non-negative random variables having the O-exponential distribution. Suppose that η is a nonnegative non-degenerate at zero integer-valued random variable independent of ξ1, ξ2, ... . In
Svetlana Danilenko, Jonas Šiaulys
doaj   +1 more source

A note on two-term exponential sum and the reciprocal of the quartic Gauss sums

open access: yesAdvances in Difference Equations, 2021
The main purpose of this article is by using the properties of the fourth character modulo a prime p and the analytic methods to study the calculating problem of a certain hybrid power mean involving the two-term exponential sums and the reciprocal of ...
Wenpeng Zhang, Xingxing Lv
doaj   +1 more source

Loss of AMBRA1 activates MAPK and angiogenesis signaling pathways in melanoma cells

open access: yesFEBS Open Bio, EarlyView.
Loss of AMBRA1 in melanoma cells activates multiple oncogenic pathways associated with tumor progression. Transcriptomic and protein network analyses revealed that AMBRA1 depletion enhances MAPK/ERK signaling, angiogenesis, TGF‐β/EMT signaling, and Wnt/axon guidance pathways.
Milad Ibrahim   +4 more
wiley   +1 more source

Study of Sum of Complex Exponential Signals [PDF]

open access: yes, 2020
This thesis focuses mainly on a finite sum of complex exponential signals. This kind of signal model usually captures a variety of applications involving damped signals such as magnetic resonance spectroscopy, gravitational wave bursts, synchronized ...
Wang, Chenyujing
core   +1 more source

On substantial fractional difference operator

open access: yesAdvances in Difference Equations, 2020
In this article, new definitions of fractional substantial sum and difference operators are introduced. Some properties are established and used to generate a fixed point operator for an arbitrary real order substantial system with conditions involving ...
Syed Sabyel Haider, Mujeeb ur Rehman
doaj   +1 more source

Resonance between the Representation Function and Exponential Functions over Arithemetic Progression

open access: yesJournal of Mathematics, 2021
Let rn denote the number of representations of a positive integer n as a sum of two squares, i.e., n=x12+x22, where x1 and x2 are integers. We study the behavior of the exponential sum twisted by rn over the arithmetic progressions ∑n∼Xn≡lmodqrneαnβ ...
Li Ma, Xiaofei Yan
doaj   +1 more source

Tropical varieties for exponential sums [PDF]

open access: yesMathematische Annalen, 2019
We study the complexity of approximating complex zero sets of certain $n$-variate exponential sums. We show that the real part, $R$, of such a zero set can be approximated by the $(n-1)$-dimensional skeleton, $T$, of a polyhedral subdivision of $\mathbb{R}^n$.
Alperen A. Ergür   +2 more
openaire   +3 more sources

Yeast Gcn2 retains activity following humanization of its auto‐phosphorylation region

open access: yesFEBS Open Bio, EarlyView.
Using Saccharomyces cerevisiae as a model to study Gcn2 activation and regulation is limited by the lack of antibodies detecting phosphorylated Gcn2. To overcome this, we engineered Gcn2‐HsC, a yeast Gcn2 variant recognizable by commercial anti‐human phospho‐GCN2 antibodies.
Reuben A. Anderson   +2 more
wiley   +1 more source

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