Skip to content

Investment Policy

  • Science
  • Analytics
  • Who is Denis Avetisyan?

Science

Shielding Quantum Secrets: A New Defense Against Light-Injection Attacks

13.12.2025 by Ray Dalio

An optical fuse safeguards quantum key distribution systems against light-injection attacks by leveraging the properties of micro-ring resonators and the plasma refractive effect within titanium dioxide waveguides; during a resonant attack, the induced blue shift attenuates the malicious signal, while in a non-resonant scenario, the device functions as a filter, preserving normal signal propagation and maintaining system security-a process reliant on the space-charge field $ESCE_{\text{SC}}$.

Researchers have developed an integrated optical fuse leveraging the photorefractive effect to automatically protect quantum key distribution systems from malicious signal manipulation.

Categories Science

Quantum Circuits Predict Financial Volatility

12.12.2025 by Ray Dalio

A new approach leverages quantum circuit learning to model complex patterns in financial markets, offering a potential advantage over traditional time series analysis.

Categories Science

Quantum Networks Beat Isolation: A Path to Scalable Computing

12.12.2025 by Ray Dalio

A distributed quantum processing unit (QPU) architecture integrates three modules-$QPU_k$-and connects them to neighboring units, $QPU_{k\pm 1}$, establishing a network for enhanced computational capacity.

New research shows that linking smaller quantum processors, even with slow connections, can unlock performance gains over building a single, larger machine.

Categories Science

Shielding the Grid: Quantum Machine Learning Fortifies Power System Stability

12.12.2025 by Ray Dalio

The QSTAformer architecture anticipates eventual failure through its design, embedding a query-state transformer to model long-range dependencies within sequential data-a necessary compromise given the inherent limitations of any attempt to perfectly capture complex system dynamics with a finite model, represented as $Q$, $S$, and $T$ within the transformer blocks.

A new approach leverages quantum-enhanced transformers and adversarial training to protect power grids from cyberattacks that threaten short-term voltage stability.

Categories Science

Securing the 6G Future: Quantum AI and Blockchain Collide

12.12.2025 by Ray Dalio

The proposed QFLchain framework establishes a tiered blockchain architecture-integrating global, task-specific, and local networks-to orchestrate model deployment, decentralized learning, block creation, and ledger distribution among quantum edge devices, effectively forging a self-governing ecosystem for distributed quantum computation.

A new framework leverages the power of quantum computing, federated learning, and blockchain to address the critical security and scalability challenges of decentralized artificial intelligence in next-generation wireless networks.

Categories Science

Quantum Learning’s Noise Barrier

12.12.2025 by Ray Dalio

Quantum learning, in its idealized form, presupposes access to a noiseless oracle via a quantum computer, formalized as $BQPO\textsf{BQP}^{O}$, but practical implementation necessitates navigating the complexities of noisy, fault-tolerant systems where errors occur at the physical-qubit level and are modeled by $NBQPO\textsf{NBQP}^{O}$.

New research clarifies the limits of near-term quantum computers for machine learning tasks and highlights the crucial role of error correction.

Categories Science

Bridging the Quantum Divide: Integrated Classical and Quantum Networks

12.12.2025 by Ray Dalio

The envisioned wireless networks of the future demand a convergence of classical and quantum communication channels, acknowledging that any architecture built today inevitably seeds the conditions of its own eventual limitations.

This review examines the potential of combining classical and quantum communication channels to build more efficient and secure Space-Air-Ground Integrated Networks.

Categories Science

Untangling Quantum Errors with the Donut

12.12.2025 by Ray Dalio

Decoding topological codes reveals regimes-Path-Counting, Ordered, Critical, and Disordered-mirroring those of associated classical statistical mechanics models, such as the $±J$ random-bond Ising model, and dictated by the interplay between physical error rate and code distance, ultimately defining the functional behavior of logical errors and consequences for quantum error correction.

A new analysis leverages the geometry of the torus to map out the performance limits of a leading quantum error correction code.

Categories Science

The Limits of Edge Partitioning: A New Barrier for Approximation Algorithms

12.12.2025 by Ray Dalio

The functions $r_1$, $r_2$, and $r_3$, as defined by equations 20, 22, and 26 respectively, demonstrate specific values that characterize the system’s behavior under investigation.

Researchers have identified a fundamental limit of 0.873 for approximating solutions to the Edge Partitioning Problem, suggesting that significant algorithmic advancements are required to achieve better results.

Categories Science

Guarding the Genome: A Security Deep Dive into DNA Synthesis Screening

11.12.2025 by Ray Dalio

SecureDNA distributes trust across distinct roles, each safeguarding cryptographic variables, acknowledging that any system’s security ultimately rests not in impenetrable defenses, but in the careful choreography of inevitable vulnerabilities.

A new analysis exposes potential vulnerabilities in SecureDNA, a biosecurity platform used to vet DNA orders, and outlines improvements based on rigorous formal methods.

Categories Science
Older posts
Newer posts
← Previous Page1 … Page126 Page127 Page128 … Page157 Next →
© 2026 Investment Policy • Built with GeneratePress