Results 81 to 90 of about 1,170,010 (258)

Fixed Points and Generalized Hyers-Ulam Stability

Abstract and Applied Analysis, 2012
In this paper we prove a fixed-point theorem for a class of operators with suitable properties, in very general conditions. Also, we show that some recent fixed-points results in Brzdęk et al., (2011) and Brzdęk and Ciepliński (2011) can be obtained ...
L. Cădariu, L. Găvruţa, P. Găvruţa
doaj   +1 more source

Some fixed points of multivalued maps in multiplicative metric spaces. [PDF]

Heliyon, 2022
Ige AO, Olaoluwa HO, Olaleru JO.
europepmc   +1 more source

Fixed points and proximate fixed points [PDF]

Fundamenta Mathematicae, 1968
Muenzenberger, T. B., Smithson, R. E.
openaire   +2 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Common fixed points of set-valued mappings

International Journal of Mathematics and Mathematical Sciences, 2001
The main purpose of this paper is to obtain a common fixed point for a pair of set-valued mappings of Greguš type condition. Our theorem extend Diviccaro et al. (1987), Guay et al. (1982), and Negoescu (1989).
M. R. Singh, L. S. Singh, P. P. Murthy
doaj   +1 more source

Coupled fixed points of ( ϕ ˆ , ψ ˆ , θ ˆ ) -contractive mappings in partially ordered b-metric spaces. [PDF]

Heliyon, 2022
Seshagiri Rao N.
europepmc   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

FEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva, Puspa Kunwar, Md Ibnul Rifat Rahman, Joanna Koryo Kwao, Nathan Lehman, Zihan Zhang, Trenton Paul, Claire Cheng, Nicholas Truex, Hui‐Ting Lee, Jun Zhang   +10 more
wiley   +1 more source

Random fixed points, systemic risk and resilience of heterogeneous financial network. [PDF]

Ann Oper Res, 2022
Saha I, Kavitha V.
europepmc   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

Raptors avoid the confusion effect by targeting fixed points in dense aerial prey aggregations. [PDF]

Nat Commun, 2022
Brighton CH, Kloepper LN, Harding CD, Larkman L, McGowan K, Zusi L, Taylor GK.   +6 more
europepmc   +1 more source