Results 81 to 90 of about 23,553,376 (354)

Group theory and spectroscopy [PDF]

open access: yes, 1965
"Reprint of lectures delivered at the Institute for Advanced Study, Princeton, in spring 1951." ; Mode of access: Internet.
openaire   +3 more sources

Evolutionary interplay between viruses and R‐loops

open access: yesFEBS Letters, EarlyView.
Viruses interact with specialized nucleic acid structures called R‐loops to influence host transcription, epigenetic states, latency, and immune evasion. This Perspective examines the roles of R‐loops in viral replication, integration, and silencing, and how viruses co‐opt or avoid these structures.
Zsolt Karányi   +4 more
wiley   +1 more source

How tropical are seven- and eight-particle amplitudes?

open access: yesJournal of High Energy Physics, 2020
We study tropical Grassmanians Tr(k, n) in relation to cluster algebras, and assess their applicability to n-particle amplitudes for n = 7, 8. In N $$ \mathcal{N} $$ = 4 super Yang-Mills theory, we first show that while the totally positive part of Tr(4,
Niklas Henke, Georgios Papathanasiou
doaj   +1 more source

Gaudin models and multipoint conformal blocks III: comb channel coordinates and OPE factorisation

open access: yesJournal of High Energy Physics, 2022
We continue the exploration of multipoint scalar comb channel blocks for conformal field theories in 3D and 4D. The central goal here is to construct novel comb channel cross ratios that are well adapted to perform projections onto all intermediate ...
Ilija Burić   +4 more
doaj   +1 more source

A theory of semiprimitive groups [PDF]

open access: yesJournal of Algebra, 2018
A transitive permutation group is semiprimitive if each of its normal subgroups is transitive or semiregular. Interest in this class of groups is motivated by two sources: problems arising in universal algebra related to collapsing monoids and the graph-restrictive problem for permutation groups.
Luke Morgan, Michael Giudici
openaire   +3 more sources

Disruption of SETD3‐mediated histidine‐73 methylation by the BWCFF‐associated β‐actin G74S mutation

open access: yesFEBS Letters, EarlyView.
The β‐actin G74S mutation causes altered interaction of actin with SETD3, reducing histidine‐73 methylation efficiency and forming two distinct actin variants. The variable ratio of these variants across cell types and developmental stages contributes to tissue‐specific phenotypical changes. This imbalance may impair actin dynamics and mechanosensitive
Anja Marquardt   +8 more
wiley   +1 more source

Calogero-Sutherland approach to defect blocks

open access: yesJournal of High Energy Physics, 2018
Extended objects such as line or surface operators, interfaces or boundaries play an important role in conformal field theory. Here we propose a systematic approach to the relevant conformal blocks which are argued to coincide with the wave functions of ...
Mikhail Isachenkov   +3 more
doaj   +1 more source

Covering group theory for compact groups

open access: yesJournal of Pure and Applied Algebra, 2001
In the paper, a homomorphism between topological groups is assumed continuous. All topological groups are Hausdorff. The authors and \textit{C. Stallman} have introduced in [Trans. Am. Math. Soc. 351, 1403-1422 (1999; Zbl 0909.22007)] the following notion: Let \(G, H\) be topological groups.
Valerii N. Berestovskii, Conrad Plaut
openaire   +3 more sources

Insights into pegRNA design from editing of the cardiomyopathy‐associated phospholamban R14del mutation

open access: yesFEBS Letters, EarlyView.
This study reveals how prime editing guide RNA (pegRNA) secondary structure and reverse transcriptase template length affect prime editing efficiency in correcting the phospholamban R14del cardiomyopathy‐associated mutation. Insights support the design of structurally optimized enhanced pegRNAs for precise gene therapy.
Bing Yao   +7 more
wiley   +1 more source

Groups in Simple Theories

open access: yes, 2005
Groups definable in simple theories retain the chain conditions and decomposition properties known from stable groups, up to commensurability. In the small case, if a generic type of G is not foreign to some type q, there is a q-internal quotient. In the supersimple case, the Berline-Lascar decomposition works.
openaire   +2 more sources

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