Results 101 to 110 of about 6,492,121 (341)

Presentation of homotopy types under a space [PDF]

open access: yes, 2010
We compare the structure of a mapping cone in the category Top^D of spaces under a space D with differentials in algebraic models like crossed complexes and quadratic complexes. Several subcategories of Top^D are identified with algebraic categories.
Baues, Hans-Joachim, Bleile, Beatrice
core  

Maps on essentially infinite idempotent operators

open access: yesJournal of Mathematical Analysis and Applications, 2012
AbstractLet H be an infinite-dimensional real or complex Hilbert space and I∞(H) the set of all bounded linear idempotent operators on H with infinite-dimensional image and infinite-dimensional kernel. We characterize three types of maps on I∞(H), namely poset automorphisms, bijective maps preserving orthogonality in both directions, and bijective maps
openaire   +2 more sources

On the essential spectrum of the transfer operator for expanding markov maps [PDF]

open access: yesCommunications in Mathematical Physics, 1991
Transfer operators provide an important tool in the study of dynamical systems. The spectrum of these operators can be decomposed into a discrete part and an essential part. In this paper one studies in detail the essential spectrum for regular expanding Markov maps of the interval.
Collet, Pierre, Isola, Stefano
openaire   +5 more sources

B cell mechanobiology in health and disease: emerging techniques and insights into therapeutic responses

open access: yesFEBS Letters, EarlyView.
B cells sense external mechanical forces and convert them into biochemical signals through mechanotransduction. Understanding how malignant B cells respond to physical stimuli represents a groundbreaking area of research. This review examines the key mechano‐related molecules and pathways in B lymphocytes, highlights the most relevant techniques to ...
Marta Sampietro   +2 more
wiley   +1 more source

Gps Essential For Mapping Species Distribution

open access: yes, 2018
Conservation of our environment is the important phenomenon which includes integration of government, scientist and local community to understand the fauna or flora present in a particular region. This is where the role citizen science comes to play. In addition to the community technological collaboration will results in scientific conclusion for any ...
RSM Shamsudeen, Ramya Rajan
openaire   +2 more sources

The thioredoxin‐like and one glutaredoxin domain are required to rescue the iron‐starvation phenotype of HeLa GLRX3 knock out cells

open access: yesFEBS Letters, EarlyView.
Glutaredoxin (Grx) 3 proteins contain a thioredoxin domain and one to three class II Grx domains. These proteins play a crucial role in iron homeostasis in eukaryotic cells. In human Grx3, at least one of the two Grx domains, together with the thioredoxin domain, is essential for its function in iron metabolism.
Laura Magdalena Jordt   +4 more
wiley   +1 more source

ALLMAPS: robust scaffold ordering based on multiple maps

open access: yesGenome Biology, 2015
The ordering and orientation of genomic scaffolds to reconstruct chromosomes is an essential step during de novo genome assembly. Because this process utilizes various mapping techniques that each provides an independent line of evidence, a combination ...
Haibao Tang   +8 more
semanticscholar   +1 more source

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

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

Irrational Numbers of Constant Type --- A New Characterization

open access: yes, 1997
We obtain a new characterization for irrational numbers of constant type -- defined as irrationals with bounded partial quotients in their continued fraction expansion.
Karner, Gunther, Mukherjee, Manash
core   +1 more source

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