Results 231 to 240 of about 781,590 (289)

Polynomial Preconditioning for Indefinite Matrices

open access: yesNumerical Linear Algebra with Applications, Volume 33, Issue 5, October 2026.
ABSTRACT Polynomial preconditioning is an important tool in solving large linear systems and eigenvalue problems. A polynomial from GMRES can be used to precondition restarted GMRES and restarted Arnoldi. Here we give methods for indefinite matrices that make polynomial preconditioning more generally applicable. The new techniques include balancing the
Hayden Henson, Ronald B. Morgan
wiley   +1 more source

Review article: Immunosuppression in Decompensated Autoimmune Hepatitis Cirrhosis ‐ To Suppress or Not to Suppress?

open access: yesAlimentary Pharmacology &Therapeutics, Volume 64, Issue 7, Page 897-918, October 2026.
Individualized assessment identifies patients with decompensated autoimmune hepatitis cirrhosis who are likely to benefit from a time‐limited trial of immunosuppression versus those requiring immediate liver transplant evaluation. Early objective response monitoring (bilirubin, MELD‐Na and AST/ALT) guides continuation of immunosuppression, promotes ...
Pedro Robson Costa Passos   +2 more
wiley   +1 more source

New Constraints on the Onset of Antarctic Glaciation From Combined Radiogenic Hafnium and Neodymium Isotopes

open access: yesGeophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract The drawdown of atmospheric CO2 likely triggered Antarctic glaciation during the Eocene‐Oligocene Transition (34 Ma). Accurately constraining this shift from “greenhouse” to an “icehouse” climate is essential for understanding global carbon cycle dynamics.
Keehwan Lee   +5 more
wiley   +1 more source

Technetium(I) Complexes Bearing l- or d‑Amino Acids as Tumor-Seeking Agents. [PDF]

open access: yesACS Omega
Silva RDM   +6 more
europepmc   +1 more source

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