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Generalized Coupled Cluster Theory for Ground and Excited State Intersections.
J Phys Chem Lett
January 2025
Department of Chemistry, Norwegian University of Science and Technology, NTNU, 7491 Trondheim, Norway.
Coupled cluster theory in the standard formulation is unable to correctly describe conical intersections among states of the same symmetry. This limitation has restricted the practical application of an otherwise highly accurate electronic structure model, particularly in nonadiabatic dynamics. Recently, the intersection problem among the excited states was fully characterized and resolved.
View Article and Find Full Text PDFControl of a New Financial Risk Contagion Dynamic Model Based on Finite-Time Disturbance.
Entropy (Basel)
November 2024
School of Statistics and Data Science, Nanjing Audit University, Nanjing 211815, China.
With the widespread application of chaotic systems in many fields, research on chaotic systems is becoming increasingly in-depth. This article first proposes a new dynamic model of financial risk contagion based on financial principles and discusses some basic dynamic characteristics of the new chaotic system, such as equilibrium points, dissipativity, Poincaré diagrams, bifurcation diagrams, etc. Secondly, with the consideration of privacy during data transmission, the method was designed to protect the privacy of controlled systems in finite time based on perturbation.
View Article and Find Full Text PDFSuperficial palmar branch of radial artery flap for digital skin reconstruction: anatomical study and clinical applications.
Surg Radiol Anat
December 2024
Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.
Article Synopsis
- The study examines the superficial palmar branch of the radial artery (SUPBRA) to improve techniques for reconstructing palmar skin, focusing on its anatomy and harvesting methods.
- Researchers dissected 19 male hand specimens to gather detailed anatomical data, including dimensions and positions of key structures related to SUPBRA, analyzing how best to utilize this flap in reconstruction efforts.
- Results indicated that the SUPBRA has adequate dimensions for viability in surgical applications, with specific measurements and the identification of critical vascular contributions that ensure successful use in cases of hand injury.
Classification of 3-node restricted excitatory-inhibitory networks.
Math Biosci
December 2024
Mathematics Institute, University of Warwick, Coventry CV4 7AL, United Kingdom. Electronic address:
We classify connected 3-node restricted excitatory-inhibitory networks, extending our previous paper (Aguiar et al., 2024). We assume that there are two node-types and two arrow-types, excitatory and inhibitory; all excitatory arrows are identical and all inhibitory arrows are identical; and excitatory (resp.
View Article and Find Full Text PDFThe impact of simultaneous infections on phage-host ecology.
Theor Popul Biol
December 2024
Department of Mathematics, University of British Columbia, 1984 Mathematics Road, Vancouver B.C., Canada, V6T 1Z2; Department of Zoology, University of British Columbia, 6270 University Boulevard, Vancouver B.C., Canada, V6T 1Z4.
Phages use bacterial host resources to replicate, intrinsically linking phage and host survival. To understand phage dynamics, it is essential to understand phage-host ecology. A key step in this ecology is infection of bacterial hosts.
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