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Articles by Michael Rey
Havana Syndrome Seems to Be Real. Why Did the C.I.A. Deny It?
You have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load. Havana Syndrome Seems to Be Real. Why Did the C.I.A. Deny It? In “The Havana Syndrome,” Michael Rey and Oriana Zill de Granados make the case that a mysterious Russian weapon has been used to target American intelligence agents.
The Havana Syndrome
An explosive, inside account of the mysterious attacks on U.S. officials around the world via an unseen, highly specialized weapon that has left dozens of victims with life-altering injuries, and the U.S. government’s attempt to cover it up—with startling new evidence from an award-winning 60 Minutes team For nearly a decade, U.S. diplomats, spies, and soldiers around the world have reported sudden, devastating neurological injuries—symptoms eerily consistent with exposure to a directed...
Des précisions sur la chasse
Les propositions formulées par la Fédération fribourgeoise des sociétés de chasse ne visent pas à «toujours plus» de chasse, mais à toujours mieux gérer la faune sauvage. Dans une démocratie, discuter de l’évolution des pratiques et proposer des améliorations est parfaitement légitime. Les chasseurs fribourgeois sont formés durant deux ans et participent activement à la gestion des populations animales en collaboration avec les autorités, les forestiers et les agriculteurs.
Chasseurs: pas un lobby mais un acteur essentiel
Je tiens à réagir à la lettre du 9 avril, «On ne touche pas aux chasseurs». Les chasseurs ne sont pas un «lobby», mais des acteurs essentiels d’une gestion raisonnée de la faune et de la biodiversité. Par leur engagement sur le terrain, ils participent activement à l’équilibre des populations animales, à la prévention des dégâts aux cultures et aux forêts, ainsi qu’au maintien d’écosystèmes sains.
Minneapolis police chief says video of ICE arrest "pisses me off"
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A Minneapolis man born in Liberia who has no record of serious crimes shared details of what he said was a frightening and chaotic experience after …
By Cecilia Vega, Aliza Chasan Verified, Andy Court Verified, Camilo Montoya-Galvez Verified, Michael Rey Verified, Annabelle Hanflig
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Top ICE official is asked whether Americans can trust investigation into Renee Good's killing
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Now Kristi Noem, the homeland security secretary, said officers had not used pepper spray and similar measures limited by a judge’s order, then was confronted with a video that showed chemical agents deployed. Kristi Noem, the homeland security secretary, denied in a televised interview on Sunday that …
By Cecilia Vega, Aliza Chasan Verified, Camilo Montoya-Galvez Verified, Andy Court Verified, Michael Rey Verified, Annabelle Hanflig
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Multiplication-Free Gaussian Elimination and Matrix Inversion via Bitplane Semantics: Exact Trailing Updates with Boolean GEMM, GF(2) Gauss-Jordan, Bareiss, and Modular CRT[v1] | Preprints.org
Submitted: 11 September 2025 Posted: 16 September 2025 You are already at the latest version Subscription Notify me about updates to this article or when a peer-reviewed version is published. This version is not peer-reviewed. Submitted: 11 September 2025 Posted: 16 September 2025 You are already at the latest version We extend our multiplication-free bit-sliced paradigm from matrix multiplication and determinants to Gaussian elimination and matrix inversion.
Multiplication-Free Graph Spectral Embeddings: Bit-Sliced Repeated AX and A⊤ AX Products
This version is not peer-reviewed. Submitted: 12 September 2025 Posted: 15 September 2025 You are already at the latest version Graph spectral embedding methods, such as spectral clustering and Laplacian Eigenmaps, are powerful techniques for uncovering the underlying structure of data by analyzing the eigenvectors of graph matrices.
Multiplication-Free Matrix Multiplication: Bitplane Semantics and Semantic Filtering
Submitted: 11 September 2025 Posted: 12 September 2025 You are already at the latest version This version is not peer-reviewed. Submitted: 11 September 2025 Posted: 12 September 2025 You are already at the latest version We propose a shift in how matrix multiplication is executed: instead of treating entries as opaque scalars, we directly access their existing bit-level structure in memory and operate on individual bitplanes.
Stochastic Hardness in Model Risk: A Framework for Tangible and Auditable Assessments in Banking
This version is not peer-reviewed. Submitted: 11 September 2025 Posted: 12 September 2025 You are already at the latest version Banking executives need quantitative, auditable tools to assess model reliability that satisfy regulatory requirements while reducing operational overhead. This paper introduces a statistical stress-testing framework for model reliability assessment that provides explicit pass/fail thresholds for regulatory compliance.
Multiplication-Free Matrix Determinants: Bitplane Semantics and Structured Overlays
This version is not peer-reviewed. Submitted: 11 September 2025 Posted: 12 September 2025 You are already at the latest version We present a structured framework for multiplication-light and multiplication-free determinant computation. Classical algorithms—Gaussian/LU elimination, Bareiss fraction-free elimination, Schur complements, and modular (CRT) methods—are dominated by GEMM-shaped trailing updates [1–3].
Overlays for 4x4 Matrix Multiplication: Peeling, Value-Aware Collapse, and Bit-Sliced Zero-Multiply Paths
This version is not peer-reviewed. Submitted: 10 September 2025 Posted: 12 September 2025 You are already at the latest version This paper introduces a suite of exact overlays for 4x4 matrix multiplication that reduce the counted number of multiplications without altering the underlying bilinear complexity of the base algorithm, such as Strassen's 49-multiplication algorithm or the optimal 48-multiplication algorithm.
Structural Hierarchies in NP-Complete Problems: A Unified Framework for Complexity Boundaries and the P vs NP Landscape
Submitted: 10 September 2025 Posted: 11 September 2025 You are already at the latest version This version is not peer-reviewed. Submitted: 10 September 2025 Posted: 11 September 2025 You are already at the latest version We develop a unified, layer-based framework for revealing and quantifying polynomial-time structure within classically NP-complete problems.
A Hierarchy of Learning Problems: Computational Efficiency Mappings for Optimization Algorithms
This version is not peer-reviewed. Submitted: 09 September 2025 Posted: 11 September 2025 You are already at the latest version We establish a rigorous mathematical hierarchy for optimization problems that serves as both theoretical classification and practitioner decision system.
Extreme Geodesics in Computational Spacetime: Novel Algorithmic Trajectories Beyond Classical Complexity Bounds
Submitted: 09 September 2025 Posted: 11 September 2025 You are already at the latest version This version is not peer-reviewed. Submitted: 09 September 2025 Posted: 11 September 2025 You are already at the latest version Building upon the foundational framework of computational relativity, this work proposes twelve novel geodesic archetypes that represent extreme trajectories through algorithmic spacetime.
P Versus NP in Probability: Limits, Closures, and Tail Exponents
This version is not peer-reviewed. Submitted: 06 September 2025 Posted: 09 September 2025 You are already at the latest version We propose a resolution to a stochastic analogue of the P versus NP problem where algorithms are evaluated on ensembles of inputs and correctness is required only eventually almost surely. We define SP (Stochastic Polynomial-Time) as the class of distributional problems for which a polynomial-time algorithm exists with summable per-length error probabilities.
From P vs NP to Stochastic Hardness: A Simple, Robust Framework for Building Systems That Don't Blow Up
This version is not peer-reviewed. Submitted: 06 September 2025 Posted: 09 September 2025 You are already at the latest version The P vs NP problem frames a deep open question in theoretical computer science: can problems whose solutions can be verified quickly also be solved quickly? While profound, this worst-case lens gives limited guidance to practitioners. In practice, most instances are easy, but a few rare, pathological cases dominate cost, risk, and failure.
P vs NP in Spacetime: Proper-Time Complexity, Curvature-Dependent Trade-Offs, and Conditional Separation Conjectures
Submitted: 05 September 2025 Posted: 08 September 2025 You are already at the latest version This version is not peer-reviewed. Submitted: 05 September 2025 Posted: 08 September 2025 You are already at the latest version Classical complexity theory studies the resources required by algorithms on abstract machines, measuring time by the number of elementary steps.
Orbit-Collapse Complexity: A Symmetry-Based Lens on P, NP, and Structured Cores
This version is not peer-reviewed. Submitted: 05 September 2025 Posted: 08 September 2025 You are already at the latest version We introduce \emph{Orbit-Collapse Complexity} (OCC), a symmetry-aware framework that explains when NP problems behave as polynomial-time problems. If instances canonically collapse to \emph{polynomially many types} under an explicit group action, with polytime canonicalization and per-type solvers, the whole language is in P.
Implementing Computational Wormholes: A Developer's Guide to Infrastructure Optimization
This version is not peer-reviewed. Submitted: 03 September 2025 Posted: 04 September 2025 You are already at the latest version While theoretical frameworks for computational wormholes provide mathematical foundations for algorithmic shortcuts, practical implementation in today's infrastructure remains underexplored.
Novel Wormholes in Computational Spacetime: Beyond Classical Algorithmic Shortcuts
Submitted: 02 September 2025 Posted: 03 September 2025 You are already at the latest version This version is not peer-reviewed. Submitted: 02 September 2025 Posted: 03 September 2025 You are already at the latest version The geometric theory of computational spacetime models algorithmic efficiency as geodesics in a five-dimensional manifold (S,T,H,E,C) spanning space, time, memory hierarchy, energy, and quantum coherence.
The STEH Living Turing Machine: Streaming Variational Control, Certificates, and Physical Limits
This version is not peer-reviewed. Submitted: 01 September 2025 Posted: 02 September 2025 You are already at the latest version We formalize a STEH Living Turing Machine (SLTM): a resource-aware, certificate-centric, streaming Turing/RAM model embedded in a four-dimensional resource manifold R = {(S, T, E, H)} of Space, Time, Energy, and Entropy (information/uncertainty).
STEH Trade-off Theorem: Hard Physical Limits for Space, Time, Energy, and Entropy in Computation
This version is not peer-reviewed. Submitted: 01 September 2025 Posted: 02 September 2025 You are already at the latest version We introduce a unified physical framework for algorithmic tradeoffs based on Space (S), Time (T), Energy (E), and Entropy (H) --- abbreviated as STEH. This framework integrates classical and quantum perspectives, and yields rigorous lower bounds on computational processes by linking memory, runtime, thermodynamic cost, and uncertainty.
Physical Information Theory and Resource-Bounded Computation: Recasting Classical Undecidability Under Physical Constraints
This version is not peer-reviewed. Submitted: 01 September 2025 Posted: 02 September 2025 You are already at the latest version We propose that accepting the truly physical nature of information fundamentally recasts classical undecidability problems under physical resource constraints.
The Physical Church-Turing Thesis: Computation as a Fundamental Physical Process
This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version We propose a fundamental revision of the Church-Turing thesis that recognizes computation as an inherently physical process constrained by the laws of thermodynamics, quantum mechanics, and relativity. The classical Church-Turing thesis states that any effectively calculable function can be computed by a Turing machine, but this formulation ignores the physical substrate required for computation.
Physical Capacity Regions of Computation
This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version We establish a unified framework for understanding the fundamental physical limits of computation by developing a geometric theory of resource trade-offs. Our approach treats computation as a physical process constrained by thermodynamics, quantum mechanics, and relativity, leading to a multidimensional capacity region in resource space.
Computational Relativity: A Geometric Theory of Algorithmic Spacetime
This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version Computation has historically been framed in Newtonian terms: time and space as separate, absolute measures of algorithmic cost. Yet modern algorithms—from randomized heuristics to quantum circuits—demand a relativistic view where time, space, energy, entropy, and coherence form a unified manifold.
Coherence-Aware I/O Lower Bounds for Dense Linear Algebra: A Red-Blue-Green Pebble Game Analysis
This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version We introduce a novel theoretical framework for analyzing I/O complexity in the presence of memory coherence constraints, extending the classical Hong-Kung red-blue pebble game with a third "coherence" dimension. Our model captures the fundamental trade-offs between memory capacity, bandwidth, and coherence width in modern computing systems.
Local Geometric Incompatibility at ETH Scale: A Research Program for P vs NP via Curvature and Bi-Lipschitz Bounds
Posted: 01 September 2025 You are already at the latest version This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version Disclosure Statement: This work does not prove P ̸= NP. It develops a geometric research program with rigorous local incompatibility theorems under the Exponential Time Hypothesis (ETH) and provides a concrete roadmap for potential global separation.
Matrix Multiplication: Optimality Under Resource Constraints
Posted: 01 September 2025 You are already at the latest version This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version We develop a rigorous, unified framework for matrix multiplication optimization that simultaneously considers space, time, communication, energy, and numerical stability. Rather than pursuing improvements to the algebraic complexity exponent ω, we prove standard I/O lower bounds and provide calibrated energy and stability analyses.
The ε-Streamably-Learnable Class: A Constructive Framework for Operator-Based Optimization
This version is not peer-reviewed. Posted: 01 September 2025 You are already at the latest version We introduce the ε-Streamably-Learnable (ESL) class, a novel complexity class that bridges the theoretical gap between learnable and streamable optimization problems.
Constructive Finite-Rank Koopman Control via ESL Theory: Real-Time Nonlinear Control with Provable Stability Guarantees
This version is not peer-reviewed. You are already at the latest version We present a single-loop, real-time Koopman control framework where the model and controller are updated continuously from streaming data. Leveraging the ESL hierarchy, we show that Koopman-learnable systems admit streamable finite-rank surrogates and we instantiate them via Oja/PAST updates with TSQR orthonormalization.
Dense Approximation of Learnable Problems with Streamable Problems
This version is not peer-reviewed. You are already at the latest version We study the relationship between learnable and streamable optimization problems within the established three-tier hierarchy based on α-averaged operators. The central question is whether the computational restrictions of streamable optimization significantly limit the class of problems that can be solved.
Lorenzo Feliciano Takes Pitcher of the Week Honors
ESCANABA, MI – Lorenzo Feliciano was named the MCCAA Northern Conference Pitcher of the Week as he shutout the Mid Michigan Lakers in Ohio this past weekend. The Norse (5-8, 1-4 MCCAA) had a tough go of it as they won just one game this past weekend. For the first time the MCCAA Northern Conference met at a neutral site for a round robin style weekend, with every team facing off just once. Bay College picked up just one win, an 8-0 shutout over Mid Michigan (12-6, 4-1 MCCAA).
Norse Split, Earn First Win of the Season on Walk-Off
VERO BEACH, FL – The Bay College Norse Baseball Team (1-1) got their season started on Saturday with a doubleheader split against the Hagerstown Community College Hawks (8-1). The Norse dropped the first game by a final score of 6-1 before taking the nightcap in dramatic fashion. A walk-off single gave Bay their first win of the season by a final score of 6-5. In the opener Bay got a strong performance on the mound from Lorenzo Feliciano (SO, Deerfield Beach, FL).
Norse Take Season Series Over Jayhawks, Celebrate Sophomore Night
ESCANABA, MI – The Bay College Norse (16-17, 12-9 MCCAA) split their final homestand of the season. They took three of four from conference foe Muskegon Community College (14-30, 11-14 MCCAA) before dropping a pair to #13 Lansing Community College (34-10, 17-4 MCCAA) on Sophomore Night. The Norse started the weekend needing to keep pace to have a shot at a postseason berth and started off the series by keeping the pressure on the Jayhawks with their offense.
Norse Finish Spring Trip by Winning Three Consecutive Games
VERO BEACH, FL – After a tough loss to Penn State Greater Allegheny (3-4) by a final of 8-4 on Wednesday night, the Norse Baseball Team (4-4) rebounded to finish their spring break trip with three consecutive wins. The Norse defeated Penn State New Kensington (0-7) 4-1 on Thursday morning and wrapped up the trip with a 5-4 walk off win over Penn State Mont Alto (4-6) and a late push to get past LeFleche College (0-1) by a final of 7-4.
Ces silencieux font du bruit…
Michaël Rey, prés. Fédération fribourgeoise des sociétés de chasse Aujourd’hui à 00:00 A la suite du Mot de la fin «Silence, on tue» (15.7), je souhaite corriger, au nom de la Fédération fribourgeoise des sociétés de chasse, quelques idées reçues sur les réducteurs de son (ou RDS), désormais autorisés sous condition pour la chasse au grand gibier. Non, la chasse ne se transformera pas en mission secrète à la James Bond! Un coup de feu avec un RDS reste bruyant.
Report discredits U.S. intelligence assessment on Havana Syndrome
The House Permanent Select Committee on Intelligence said in an unclassified report released Thursday that it "appears increasingly likely that a foreign adversary is behind some" cases of what officials refer to as "anomalous health incidents" – mysterious illnesses suffered by U.S. national security officials.
The CH3D Absorption Spectrum Near 1.58 μm: Extended Line Lists and Rovibrational Assignments
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.
SPECTROSCOPY OF HYDROCARBONS RELEVANT TO THE ATMOSPHERES OF HOT JUPITER EXOPLANETS IN THE 1.6-1.7 μm RANGE: UNAMBIGUOUS ASSIGNMENT OF ETHYLENE TRANSITIONS
Communication Dans Un Congrès Année : 2023 SPECTROSCOPY OF HYDROCARBONS RELEVANT TO THE ATMOSPHERES OF HOT JUPITER EXOPLANETS IN THE 1.6-1.7 μm RANGE: UNAMBIGUOUS ASSIGNMENT OF ETHYLENE TRANSITIONS hal-04599881 , version 1 (04-06-2024) Solène Perot, Michael M. Rey, Vladimir G. Tyuterev, Nicolas Suas-David, Julien Lecomte, et al.. SPECTROSCOPY OF HYDROCARBONS RELEVANT TO THE ATMOSPHERES OF HOT JUPITER EXOPLANETS IN THE 1.6-1.7 μm RANGE: UNAMBIGUOUS ASSIGNMENT OF ETHYLENE TRANSITIONS.
Senators call for renewed Havana Syndrome assessment after 60 Minutes report Original
An ongoing, five-year 60 Minutes investigation into Havana Syndrome sparked new concerns in Washington. The March 31 report broadcast on 60 Minutes revealed new evidence of a potential Russian nexus tied to mysterious illnesses suffered by U.S. national security officials.
Russian nexus revealed during 60 Minutes Havana Syndrome investigation into potential attacks on U.S. officials
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Policing 2 days ago Connection revealed between Havana Syndrome, speeding Mustang in Florida CBS News • 2d A Florida car chase may have revealed a possible connection to the mysterious Havana Syndrome. Police body camera video shows what was in the car — … CIA 2 days ago Despite clashes over reality of Havana Syndrome, CIA agents have been paid for injuries miamiherald.com - By Nora Gámez Torres • 2d A CIA officer stationed in Belgrade and her baby.
By Scott Pelley, Aliza Chasan Verified, Michael Rey Verified, Emily Gordon, Kit Ramgopal Verified, Jamie Woods
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Recap: Kyrie Irving Makes History in Drew League Debut With the Nationwide Souljas
Recap: Kyrie Irving Makes History in Drew League Debut With the Nationwide Souljas Written by Michael Rey Believer | NBA/WWE Writer | LeBron fan | Roman Reigns fan| NBA/WWE watcher | love writing Divine Sports At Divine Sports, we aim to inspire and empower athletes to reach their full potential by providing them with life principles and guidance.
Is Stephen Curry the Best Two-Sport Athlete Ever?
Is Stephen Curry the Best Two-Sport Athlete Ever? Written by Michael Rey Believer | NBA/WWE Writer | LeBron fan | Roman Reigns fan| NBA/WWE watcher | love writing Divine Sports At Divine Sports, we aim to inspire and empower athletes to reach their full potential by providing them with life principles and guidance.
Stephen Curry’s “Underrated” Documentary Review
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Chris Paul's Arrival: A Perfect Fit for the Golden State Warriors
Chris Paul's Arrival: A Perfect Fit for the Golden State Warriors Written by Michael Rey Believer | NBA/WWE Writer | LeBron fan | Roman Reigns fan| NBA/WWE watcher | love writing Divine Sports At Divine Sports, we aim to inspire and empower athletes to reach their full potential by providing them with life principles and guidance.
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