Results 31 to 40 of about 2,041,584 (301)

Refined and l-adic Euler characteristics of nearly perfect complexes [PDF]

open access: yes, 2004
We lift the Euler characteristic of a nearly perfect complex to a relative algebraic K-group by passing to its l-adic Euler ...
Burns, David   +6 more
core   +1 more source

A Perfect Storm? [PDF]

open access: yes, 2020
A ‘perfect storm’ is assumed to be based on a confluence of weather conditions especially dramatic and dangerous. It’s also assumed to be fairly recent.
McCabe, Steven
core   +3 more sources

THE CLASS OF PERFECT TERNARY ARRAYS

open access: yesСистемный анализ и прикладная информатика, 2018
In recent decades, perfect algebraic constructions are successfully being use to signal systems synthesis, to construct block and stream cryptographic algorithms, to create pseudo-random sequence generators as well as in many other fields of science and ...
A. V. Sokolov, O. N. Zhdanov
doaj   +1 more source

‘Guide and Prejudice’— How Argonautes recognize targets across domains of life

open access: yesFEBS Letters, EarlyView.
Argonaute proteins use short nucleic‐acid guides to locate and regulate specific targets across all domains of life. Despite striking diversity—from human gene silencing to bacterial immune defence—all Argonautes share a conserved three‐stage recognition logic: guide‐directed sampling, progressive target pairing with a conformational checkpoint and ...
Jack P. K. Bravo
wiley   +1 more source

New Perfect Sequences from Helleseth-Gong Sequences

open access: yesIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2017
In this paper, for any given prime power q, using Helleseth-Gong sequences with ideal auto-correlation property, we propose a class of perfect sequences of length qm−1/q−1. As an application, a subclass of constructed perfect sequences is used to design optimal and perfect difference systems of sets.
WANG, Yong, YANG, Yang
openaire   +2 more sources

Unique Form and Some Construction of Uncorrelated Optimal ZCZ Sequences

open access: yesIEEE Access
In this paper, we first prove that any uncorrelated optimal Zero-Correlation-Zone (ZCZ) sequence family arises from Popović’s construction. We then propose a new construction for such families over a polyphase alphabet.
Gangsan Kim, Jaehee Noh, Hong-Yeop Song
doaj   +1 more source

Development of a graphene oxide-based assay for the sequence-specific detection of double-stranded DNA molecules. [PDF]

open access: yesPLoS ONE, 2017
Graphene oxide (GO) is a promising material for the development of cost-effective detection systems. In this work, we have devised a simple and rapid GO-based method for the sequence-specific identification of DNA molecules generated by PCR amplification.
Anna Maria Giuliodori   +7 more
doaj   +1 more source

Profiling neoadjuvant therapy response in rectal cancer using meta‐analysis of publicly available transcriptomic RNA‐seq datasets

open access: yesMolecular Oncology, EarlyView.
This study integrates publicly available transcriptomic datasets to identify molecular signatures associated with response to neoadjuvant chemoradiotherapy in locally advanced rectal cancer. By analyzing a combination of multiple cohorts with bioinformatics approaches, we reveal biological pathways and immune‐related features that may improve ...
Aleksandra Stanojevic   +10 more
wiley   +1 more source

Global subjective memorability and the strength-based mirror effect [PDF]

open access: yes, 2009
Between-list manipulations of memory strength through repetition commonly generate a mirror effect, with more hits, and fewer false alarms for strengthened items. However, this pattern is rarely seen with within-list manipulations of strength.
Perfect, Timothy J.   +5 more
core   +1 more source

Research of ZCZ ternary sequence pairs set based on pseudorandom sequence

open access: yesTongxin xuebao, 2009
Pseudorandom sequence was used in zero correlation zone(ZCZ) sequence pairs, and then a new construction method for ZCZ ternary sequence pairs set was presented.
LI Zhao-bin1, JIANG Ting1, ZHOU Zheng1
doaj   +2 more sources

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