University of Electronic Science and Technology of China

A Lovász Theta Bound for a Graph Saturation Parameter

For a finite simple graph G on n vertices, let μ(G) be the minimum trace of a real symmetric matrix X satisfying 0 ≼ X ≼ I, Xᵢⱼ = 0 on the edges of G, and ⟨J,X⟩ = n. We prove that μ(G) ≤ ϑ(complement G) for every G, answering affirmatively question (iii) in Section 7 of Carli Sil...

Shadow-flow rigidity of D_n polytopes and quartic descent at the 24-cell

For every n >= 4, we prove that the D_n root polytope and its polar have only globally linear odd admissible vertex speeds in every nonzero direction. Admissibility means affine compatibility on every facet transverse to that direction. For the regular 24-cell, every fixed nontri...

Bruhat Monotonicity of the Pan–Skandera–Wang Bijection

Pan, Skandera, and Wang defined a bijection from permutations preserving two balanced consecutive blocks to permutations preserving the parity of every position, and conjectured that each input lies below its image in the strong Bruhat order. We prove Conjecture 7.8 of arXiv:2606...

Positive Lower Natural Density Does Not Ensure Carleson Frame Sampling

We construct a locally finite, strictly increasing real sampling sequence with lower natural density 1/3 and upper natural density 4/3 for which a sampled Carleson orbit is Bessel but has no positive frame lower bound. The diagonal spectrum is fixed explicitly as z_j = exp(-2^(-j...

Self-Weighted Convolutional Neural Networks for RF Signal Classification in Support of Wireless Spectrum Awareness

RF signal classification provides modulation information that can support wireless spectrum awareness after signal acquisition and segmentation. This paper presents a self-weighted convolutional neural network for classifying communication-signal modulation formats from in-phase/...

The Mean-Field Limit of Online Rademacher Vector Balancing

Let X₁, …, Xₙ be independent uniform vectors in {−1, 1}ⁿ. At time k, a sign is chosen after observing X₁, …, Xₖ. We identify the limit of the minimum expected terminal maximum norm of n^(−1/2) ∑ₖ₌₁ⁿ εₖXₖ with the mean-field control value introduced by Fiedler, Jackson, Lacker, an...

A wearable closed-loop insulin micropump toward a miniaturized artificial pancreas for diabetes

The application of a fully autonomous artificial pancreas faces fundamental constraints from the bulky mechanical drives of conventional insulin pumps and the spatially separated glucose sensing unit. Herein, we report a wearable closed-loop insulin micropump that enables a minia...

Transdiagnostic metabolic architecture across major depressive disorder and schizophrenia: a NIMETOX systems-biology approach

Background: Major depressive disorder (MDD) is conceptualised within a neuroimmune metabolic oxidative (NIMETOX) framework. From a systems-biology perspective, related metabolic oxidative disturbances may extend across diagnostic boundaries, including schizophrenia (SCZ), but the...

Positive Lower Natural Density Does Not Ensure Carleson Frame Sampling

We construct a locally finite, strictly increasing real sampling sequence with lower natural density 1/3 and upper natural density 4/3 for which a sampled Carleson orbit is Bessel but has no positive frame lower bound. The diagonal spectrum is fixed explicitly as z_j = exp(-2^(-j...

The mediating effect of neuroticism on the association between brain signal variability in the prefrontal cortex and depression among healthy individuals

The personality trait of neuroticism has been recognized as a risk factor for depression. Research into the interplay between brain activity, neuroticism, and subclinical depressive symptoms could potentially uncover biomarkers capable of predicting the onset of depression. Brain...

Cortical hemodynamic dysregulation is linked to peripheral NIMETOX pathways in major depressive disorder: an 89-channel fNIRS systems-biology study.

Background: Major depressive disorder (MDD) is clinically heterogeneous, but relationships among cortical hemodynamic abnormalities, peripheral neuroimmune, metabolic, and oxidative stress (NIMETOX) processes, and clinical phenome features remain unclear. We applied a systems-bio...

The Mean-Field Limit of Online Rademacher Vector Balancing

Let X₁, …, Xₙ be independent uniform vectors in {−1, 1}ⁿ. At time k, a sign is chosen after observing X₁, …, Xₖ. We identify the limit of the minimum expected terminal maximum norm of n^(−1/2) ∑ₖ₌₁ⁿ εₖXₖ with the mean-field control value introduced by Fiedler, Jackson, Lacker, an...

Knowledge, attitudes, and associated factors toward bronchopulmonary dysplasia in premature infants among healthcare professionals

Premature infants face multiple health challenges, particularly bronchopulmonary dysplasia (BPD), a condition that may result in lifelong respiratory and developmental consequences, necessitating research on healthcare professionals’ knowledge and attitudes towards BPD management...

Multi-mode droplet splitting on active-matrix digital microfluidics: quantitative boundaries and optimal sequential generation

Precise generation of microdroplets at picoliters to microliters scale is critical for advancing microfluidics technologies and precision life sciences research. Digital microfluidics enables programable individual droplet, however, there still lacks comprehensive characterizatio...

scLDM: a conditional diffusion framework for single-cell perturbation prediction

Abstract Motivation Accurate prediction of single-cell responses to external stimuli is pivotal for deciphering gene regulatory mechanisms and accelerating data-driven drug discovery. However, effectively capturing the complex, non-linear mapping between intrinsic cell states and...

Dual‐Channel Event‐Triggered Model‐Free Adaptive Control for Discrete‐time Nonlinear Networked Control Systems

ABSTRACT In this article, a novel dual‐channel event‐triggered model‐free adaptive control (DCET‐MFAC) algorithm is investigated to solve the tracking control problem for nonlinear networked control systems (NCSs). Two independent event‐triggered mechanisms (ETMs) are designed wi...

Design of High‐Performance OSL Dosimetric Materials: Prediction of Optically Stimulated Luminescence Properties in Doped BeO Based on Density Functional Theory

Beryllium oxide (BeO), as an optically stimulated luminescence (OSL) material, possesses unique application advantages in the field of radiation dosimetry due to its effective atomic number close to that of human tissues. To break through the limitation that the research and deve...

Shiitake mushroom cap-stem adaptive matching and harvesting point localization for edge devices

Robotic shiitake harvesting requires reliable target perception, individual-level structural association, physical measurement, and actionable picking-point localization under edge-computing constraints. To address these requirements, this study developed a color-and-depth edge p...

Magnetoreceptor Promotes Hepatocellular Carcinoma Development and Blunts Sorafenib‐Induced Ferroptosis by Regulating Iron Homeostasis

ABSTRACT Iron homeostasis plays a critical role in the pathogenesis and therapeutic management of hepatocellular carcinoma (HCC). Magnetoreceptor (MagR), also known as iron‐sulfur cluster assembly protein 1 (ISCA1), is a conserved protein maintaining iron homeostasis, plays an un...

Miniaturized Full-Stokes Spectrometers Based on Low-Correlation Metasurface Array

Abstract Full-Stokes spectrometers hold an immense application value due to their capability to simultaneously resolve polarization state and spectral information. Specifically, miniaturized full-Stokes spectrometers are promising for applications in real-world scenarios owing to...