![The system architecture preserves data sovereignty through a five-phase workflow across organization-specific vector spaces, and achieves computational isolation of queries via a multi-stage transformation-[latex]vector2Trans[/latex]-employing permutation, cryptographic blinding, a bounded non-linearity [latex]f_{\beta}[/latex], orthogonal rotation [latex]W[/latex], and L2 normalization while retaining retrieval utility.](https://arxiv.org/html/2604.09541v1/Graph/overview.png)
A new approach to Retrieval-Augmented Generation shifts the focus from protecting documents to transforming queries, enabling secure and efficient data sharing between organizations.
This research introduces a new framework for ensuring the safe operation of robotic systems even when facing imperfect state information and external disturbances.
New research introduces a system that dramatically improves the efficiency of retrieving and processing information for large language models, leading to faster and more cost-effective AI responses.
New research establishes the theoretical limits of how much information can be reliably hidden within the outputs of large language models.
![The study demonstrates that, within a Bianchi I universe populated by radiation, the Hubble horizon-defined as [latex]L_{H} \equiv (aH)^{-1}[/latex]-exhibits qualitatively consistent behavior across varying initial conditions established at [latex]t=0[/latex], as evidenced by the consistent evolution of [latex] \pi_{i}(0)[/latex] and [latex] c_{i}(0)[/latex]-a finding expressed in Planck units.](https://arxiv.org/html/2604.08912v1/x4.png)
New research suggests that quantum effects within a modified loop quantum cosmology framework can effectively suppress early universe anisotropies, paving the way for a remarkably uniform cosmos.
A new study reveals unexpectedly efficient solutions to the Optimal Polynomial Intersection problem, challenging previously established performance bounds for quantum algorithms.
![The syndrome distribution of the honeycomb-lattice toric code, perturbed by [latex]ZZ[/latex]-type coherent errors, is recast as a non-interacting, monitored circuit acting on a Majorana chain with distinct [latex]AA[/latex] and [latex]BB[/latex] sublattices-a transformation belonging to symmetry class D-where the statistical model’s disordered structure maps directly to circuit blocks evolving between discrete timesteps.](https://arxiv.org/html/2604.08650v1/x17.png)
New research reveals a surprising connection between decoding topological quantum codes and the behavior of monitored Majorana fermions, offering insights into the fundamental limits of quantum error correction.
A new analysis examines the mathematical underpinnings of the CROSS digital signature, assessing its resilience against attacks by reducing its core problem to well-studied cryptographic challenges.
![The evolution from ChaCha20 to EChaCha20 demonstrates an expansion of the state from [latex]4 \times 4[/latex] to [latex]6 \times 6[/latex], achieved through the addition of 4-bit (purple) and 2-bit (cyan) rotations to its QR-F, thereby enhancing the cipher’s complexity and security.](https://arxiv.org/html/2604.08862v1/images/evo.png)
Researchers have uncovered previously hidden vulnerabilities in the EChaCha20 stream cipher using advanced pattern-matching techniques from the field of stringology.
This review explores a new protocol leveraging post-quantum cryptography to establish secure and authenticated key exchanges for modern communication platforms.