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😊 Physics-Enhanced Multi-fidelity Learning for Optical Surface Imprint. (arXiv:2311.10278v1 [cs.LG])

science

Human fingerprints serve as one unique and powerful characteristic for each person, from which policemen can recognize the identity. Similar to humans, many natural bodies and intrinsic mechanical qualities can also be uniquely identified from surface characteristics. To measure the elasto-plastic properties of one material, one formally sharp indenter is pushed into the measured body under constant force and retracted, leaving a unique residual imprint of the minute size from several micrometers to nanometers. However, one great challenge is how to map the optical image of this residual imprint into the real wanted mechanical properties, i.e., the tensile force curve. In this paper, we propose a novel method to use multi-fidelity neural networks (MFNN) to solve this ...

arXiv     Nov 20, 2023

BlackCat claims it is behind Fidelity National Financial ransomware shakedown

One of US's largest underwriters forced to shut down a number of key systems Fortune 500 insurance biz Fidelity National Financial (FNF) has confirmed that it has fallen victim to a "cybersecurity incident."…

The Register     Nov 23, 2023

Fidelity Covington Trust – Fidelity Momentum Factor ETF: Tut sich da was?

An derBörse notiert Fidelity Covington Trust - Fidelity Momentum Factor ETF per 26.10.2020, Uhr bei 41.37 USD. Unser Analystenteam hat Fidelity Covington Trust - Fidelity Momentum Factor ETF auf Basis

aktiencheck.de     Oct 26, 2020

Fidelity International CEO leaving - The Boston Globe

business

Fidelity International chief executive Anne Richards is unexpectedly stepping down after five years, leaving the asset manager without an immediate replacement. Richards, 59, will remain at the firm as a vice chair to help Fidelity with its key external relationships and strategic partnerships, according to a statement Monday. Succession plans “will be communicated at a later date,” the company said. A spokesperson for Fidelity declined to comment on the reasons for Richards’s decision to retire. Assets at the firm have almost doubled during Richards’s tenure, jumping from $414 billion when she took over in 2018 to $714.3 billion at the end of September.

Boston Globe     Nov 20, 2023

Fidelity National Information Services Inc. stock outperforms market ... - MarketWatch

business

Shares of Fidelity National Information Services Inc. FIS rose 1.97% to $55.50 Friday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index SPX rising 0.06% to 4,559.34 and the Dow Jones Industrial Average DJIA rising 0.33% to 35,390.15.

Market Watch     Nov 24, 2023