Results 21 to 30 of about 5,621,799 (250)

Attenuation of Avian Flavivirus by Rewiring the Leucine and Serine Codons of Its E-NS1 Protein toward Stop Mutation To Redirect Virus Evolution

open access: yesMicrobiology Spectrum, 2023
Recently, a new strategy for attenuating RNA viruses by redirecting their evolution in sequence space was confirmed for Enterovirus and Influenza viruses.
Jiaqi Guo   +19 more
doaj   +1 more source

Spectrum and fine spectrum of the lower triangular matrix B r s t  , ,  over the sequence space cs [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2016
Fine spectra of various matrix operators on different sequence spaces have been examined by several authors. Recently, some authors have determined the approximate point spectrum, the defect spectrum and the compression spectrum of various matrix ...
Rituparna Das, Binod Chandra Tripathy
doaj  

Upper Bound of Difference Operator on Some Matrix Domains

open access: yesJournal of Mathematical Sciences and Modelling, 2021
In this study, we investigate the norm of difference operator on some sequence spaces such as Hilbert and Cesaro matrix domains. Therefore the present study is a complement for those results obtained in [1].
Maryam Sinaei, Lotfollah Karimi
doaj   +1 more source

The Sequence Space VσI(p)

open access: yesPan-American Journal of Mathematics, 2022
In this article we introduce the sequence spaces V0Iσ(p) and VσI(p), where p=(pk) is a sequence of positive reals and study the topology that arises on the said spaces.
Khalid Ebadullah
doaj   +1 more source

Spaces Defined by Sequences [PDF]

open access: yesProceedings of the American Mathematical Society, 1976
The biquotient, countably biquotient, hereditarily quotient, and quotient images of q q -spaces are classified.
openaire   +2 more sources

Hahn Sequence Space of Modals [PDF]

open access: yesInternational Scholarly Research Notices, 2014
The history of modal intervals goes back to the very first publications on the topic of interval calculus. The modal interval analysis is used in Computer graphics and Computer Aided Design (CAD), namely, the computation of narrow bounds on Bezier and B-Spline curves.
Balasubramanian, T.   +1 more
openaire   +3 more sources

Iris: Deep Space Small Satellite Radio [PDF]

open access: yes, 2017
With nanosatellites being used for deep space missions, the need for a unique communications architecture to relay valuable mission data back to NASA’s Deep Space Network (DSN) is ...
Space Dynamics Laboratory
core   +1 more source

Solvability of an infinite system of nonlinear integral equations of Volterra-Hammerstein type

open access: yesAdvances in Nonlinear Analysis, 2019
The purpose of the paper is to study the solvability of an infinite system of integral equations of Volterra-Hammerstein type on an unbounded interval. We show that such a system of integral equations has at least one solution in the space of functions ...
Chlebowicz Agnieszka
doaj   +1 more source

OPEN QUESTIONS IN ORIGIN OF LIFE: EXPERIMENTAL STUDIES ON THE ORIGIN OF NUCLEIC ACIDS AND PROTEINS WITH SPECIFIC AND FUNCTIONAL SEQUENCES BY A CHEMICAL SYNTHETIC BIOLOGY APPROACH

open access: yesComputational and Structural Biotechnology Journal, 2014
In this mini-review we present some experimental approaches to the important issue in the origin of life, namely the origin of nucleic acids and proteins with specific and functional sequences.
Katarzyna Adamala   +5 more
doaj   +1 more source

On Certain Sequence Spaces [PDF]

open access: yesCanadian Mathematical Bulletin, 1981
Abstract In this paper define the spaces l ∞ (Δ), c(Δ), and c 0 (Δ), where for instance l ∞ (Δ) = {x=(x k
openaire   +2 more sources

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