Results 121 to 130 of about 54,463 (287)

Property A and CAT(0) cube complexes

open access: yes, 2009
Property A is a non-equivariant analogue of amenability defined for metric spaces. Euclidean spaces and trees are examples of spaces with Property A.
Wright, N.J.   +4 more
core   +1 more source

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

open access: yesFEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke   +4 more
wiley   +1 more source

Mass spectrometry based identification of AMP‐O‐Tris generated by Thermococcus onnurineus Cas10

open access: yesFEBS Open Bio, EarlyView.
Isolated Thermococcus onnurineus Cas10 generates the noncanonical ATP‐derived product AMP‐O‐Tris while in Tris‐containing buffer as identified via mass spectrometry, revealing relaxed nucleophile selectivity under isolated conditions. These findings suggest that multiprotein Csm complex assembly restricts Cas10 reactivity toward canonical cyclic ...
Su‐Jin Lee   +6 more
wiley   +1 more source

Fixed Point and Best Proximity Point Results in PIV-S-Metric Spaces

open access: yesAnnales Mathematicae Silesianae
This paper presents the concept of a partial idempotent valued S-metric space, abbreviated as PIV-S-metric space, as a generalization of both the PIV-metric space and S-metric space.
Asim Mohammad, Imdad Mohammad
doaj   +1 more source

Why human connection is the true metric of research success

open access: yesFEBS Open Bio, EarlyView.
Human‐centred mentorship can be shaped by mentor attributes, actions, intrinsic drive and career ambition. Drawing on reflections across Singapore and France, as well as workshop insights from FEBS‐IUBMB ENABLE 2024, this article shows that human‐centred mentorship creates the conditions for sustainable growth, well‐being and retention in research ...
Timothy Lin Yun Tan   +3 more
wiley   +1 more source

Fixed point theorems for weak contractions on partial metric space

open access: yes, 2019
Bu tez çalışması dört bölümden oluşmaktadır. Birinci bölüm giriş için ayrılmıştır. İkinci bölüm kaynak araştırması olup, tez için yapılan literatür taramasını ve kaynakları kapsamaktadır.
Taha, Forat Mohammed Taha
core  

A Kirk Type Characterization of Completeness for Partial Metric Spaces

open access: yesFixed Point Theory and Applications, 2010
We extend the celebrated result of W. A. Kirk that a metric space X is complete if and only if every Caristi self-mapping for X has a fixed point, to partial metric spaces.
Salvador Romaguera
doaj   +1 more source

On statistical convergence of order α in partial metric spaces

open access: yesGeorgian Mathematical Journal
Abstract The present study introduces the notions of statistical convergence of order α and strong p -Cesàro summability of order α in partial metric spaces. Also, we examine the inclusion relations between these concepts.
Erdal Bayram   +2 more
openaire   +2 more sources

Blood‐based proteomic profiling reveals context‐dependent changes in BCL2‐associated signaling during taxane therapy in breast cancer patients

open access: yesFEBS Open Bio, EarlyView.
Chemotherapy side effects significantly impact cancer survivors' quality of life. Using protein levels in blood samples from breast cancer patients before and after 12 weeks of taxane treatment, we detected treatment‐dependent changes in calcium signaling and aging pathways associated with cancer recurrence.
Saira Munshani   +6 more
wiley   +1 more source

Some Fixed Point Results on Ordered G-Partial Metric Spaces [PDF]

open access: yes, 2013
We introduce a new concept of metric space called a G- partial metric space and prove the fixed point of certain contraction maps defined on tbe ordered G-partial metric spaces.
Eke, Kanayo Stella, Olaleru, J.O.
core  

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