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Articles by Patrick Brown
What can we learn from US national transmission studies?
Get full text access Log in, subscribe or purchase for full access. References 1. Homer, J. ∙ Simeone, C. ∙ Hurlbut, D. ... Planning and Development Pathways to Interregional Transmission Pacific Northwest National Laboratory. 2025; 2. North American Electric Reliability Corporation (NERC) Interregional Transfer Capability Study Final Report North American Electric Reliability Corporation. 2024; 3. Gorman, W. ∙ Kemp, J.M. ∙ Rand, J. ...
Cognitive changes in older adults receiving pharmacotherapy for treatment-resistant depression: a secondary analysis of the OPTIMUM randomised controlled trial
Introduction Late-life depression, defined as major depression in adults older than 60 years, is typically accompanied by cognitive difficulties,1,2 particularly in tasks evaluating processing speed, memory, and inhibitory control.3–5 This type of depression is frequently resistant to first-line medications, and different pharmacotherapy strategies—such as augmentation and therapeutic substitution—have been shown to be helpful.6–8 However, it is unclear whether these different strategies have...
An Intrinsic Coordinate Reference Frame Procedure I: Tensorial Canonical Weyl Scalars
This version is not peer-reviewed. Cooper K. Watson *,William Julius,Patrick Brown,Donald Salisbury,Gerald B. Cleaver Cooper K. Watson *,William Julius,Patrick Brown,Donald Salisbury,Gerald B. Cleaver Submitted: 29 October 2025 You are already at the latest version The canonical quantization of gravity in general relativity is greatly simplified by the artificial decomposition of space-time into a 3+1 formalism. Such a simplification appears to come at the cost of general covariance.
AI-Enhanced Depth-Based Augmented Reality Tracking for Complex Surgical Navigation
Submitted: 13 October 2025 You are already at the latest version Complex surgeries such as liver resections require robust AR tracking under deformation and occlusion. We propose an AI-enhanced depth framework using a CNN-LSTM hybrid to denoise depth maps and predict motion trajectories. GAN-based augmentation improved training on limited intraoperative datasets.
Co-Location of QTL for Vigor and Resistance to Three Diseases in Juglans microcarpa × J. regia Rootstocks
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
A Review of Stable, Traversable Wormholes in f(R) Gravity Theories
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
First- and Second-Order Forces in the Asymmetric Dynamical Casimir Effect for a Single δ − δ′ Mirror
1. Introduction A mirror subject to time-dependent interactions with the quantum vacuum, in which its position or boundary (material) properties may fluctuate, will experience the dynamical Casimir effect (DCE) and produce real particles. This phenomenon has been thoroughly investigated for numerous theoretical configurations (see [1,2,3] for several detailed reviews of this topic) and has also been experimentally verified [4].
A Review of Wormhole Stabilization in f(R) Gravity Theories
Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 6 May 2024 / Approved: 7 May 2024 / Online: 8 May 2024 (09:44:32 CEST) Radhakrishnan, R.; Brown, P.M.; Matulevich, J.A.; Davis, E.W.; Mirfendereski, D.; Cleaver, G.B. A Review of Wormhole Stabilization in f(R) Gravity Theories. Preprints 2024, 2024050451.
Evaluation of Almond Hull and Shell Amendments across Organic Matter Management of Orchard Soils
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Improving Aquatic Biodiversity Estimates in Africa: Rotifers of Angola and Ghana
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Correction: Gorban et al. The Asymmetric Dynamical Casimir Effect. Physics 2023, 5, 398-422
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
PCR Test Positivity and Viral Loads during Three SARS-CoV-2 Viral Waves in Mumbai, India
3. Results Over 2.7 million PCR tests for SARS-CoV-2 were conducted at Thyrocare between April 2020 and January 2022, of which 2.2 million were conducted during the non-outbreak months. The overall PCR positivity rate was 5.3%, ranging from 3.4% during the non-outbreak months but rising to 23.2% and 42.8% during the Aleph and Omicron waves, respectively. However, a surprisingly small increase to 9.9% occurred during the Delta wave.
Omicron BA.1/1.1 SARS-CoV-2 Infection among Vaccinated Canadian Adults
To the Editor: The incidence of the omicron BA.1/1.1 variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which rapidly spread worldwide even among vaccinated persons, is incompletely defined.1 We quantified the incidence of SARS-CoV-2 infection during the initial omicron BA.1/1.1 variant wave among Canadian adults2 and the contribution of previous infection and concurrent vaccination to age-specific active immunity (Fig.
Counting the global COVID-19 dead
1 WHO Excess mortality associated with the COVID-19 pandemic, 2020–2021. WHO's global estimates are lower than the 18·2 million deaths (17·1 million–19·6 million) reported by the Institute for Health Metrics and Evaluation (IHME) and the 17·7 million deaths (13·9 million–21·1 million) estimated by WHO has estimated that 14·9 million excess deaths (uncertainty range 13·3 million–16·6 million) from COVID-19 occurred globally in 2020–21.The Economist for the same time period.
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