Publications (27)
Asymptotically Optimal Codes for -Burst Error
Yubo Sun, Ziyang Lu, Yiwei Zhang +1
Recently, codes for correcting a burst of errors have attracted significant attention. One of the most important reasons is that bursts of errors occur in certain emerging techniqu…
Sequence Reconstruction under Channels with Multiple Bursts of Insertions or Deletions
Zhaojun Lan, Yubo Sun, Wenjun Yu +1
The sequence reconstruction problem involves a model where a sequence is transmitted over several identical channels. This model investigates the minimum number of channels require…
HiEviDR-Bench: A Benchmark for Hierarchical Evidence Aggregation in Deep Research
Yubo Sun, Chunyi Peng, Yukun Yan +6
Deep research requires models to retrieve, connect, and synthesize evidence from large-scale heterogeneous sources to answer complex queries and produce analytical reports. Existin…
Sesame: a 2-dimensional solar cell modeling tool
Benoit Gaury, Yubo Sun, Peter Bermel +1
This work introduces a new software package `Sesame' for the numerical computation of classical semiconductor equations. It supports 1 and 2-dimensional systems and provides tools…
On the Palindromic/Reverse-Complement Duplication Correcting Codes
Yubo Sun, Gennian Ge
Motivated by applications in in-vivo DNA storage, we study codes for correcting duplications. A reverse-complement duplication of length is the insertion of the reversed and co…
New bounds for covering codes under insertions or deletions
Chengfei Xie, Yubo Sun, Gennian Ge
Covering codes for insertions and deletions arise naturally in the study of synchronization errors and differ substantially from their classical counterparts in the Hamming metric.…
Binary Reconstruction Codes for Correcting One Deletion and One Substitution
Yuling Li, Yubo Sun, Gennian Ge
In this paper, we investigate binary reconstruction codes capable of correcting one deletion and one substitution. We define the \emph{single-deletion single-substitution ball} fun…
Real-time force control of an SEA-based body weight support unit with the 2-DOF control structure
Yubo Sun, Yuqi Lei, Wulin Zou +2
Body weight support (BWS) is a fundamental technique in rehabilitation. Along with the dramatic progressing of rehabilitation science and engineering, BWS is quickly evolving with…
Codes Correcting Two Bursts of Exactly Deletions
Zuo Ye, Yubo Sun, Wenjun Yu +2
In this paper, we investigate codes designed to correct two bursts of deletions, where each burst has a length of exactly , where . The previous best construction, achieved…
Reconstruction Codes for Deletions and Insertions: Connection, Distinction, and Construction
Yubo Sun, Gennian Ge
Let be an error ball function. A set of -ary sequences of length is referred to as an \emph{-reconstruction code} if each sequence…
Passivity guaranteed stiffness control with multiple frequency band specifications for a cable-driven series elastic actuator
Ningbo Yu, Wulin Zou, Yubo Sun
Impedance control and specifically stiffness control are widely applied for physical human-robot interaction. The series elastic actuator (SEA) provides inherent compliance, safety…
On the Fixed-Length-Burst Levenshtein Ball with Unit Radius
Yuanxiao Xi, Yubo Sun, Gennian Ge
Consider a length- sequence over a -ary alphabet. The \emph{fixed-length Levenshtein ball} of radius encompasses all length- -ary s…
Criss-Cross Deletion Correcting Codes: Optimal Constructions with Efficient Decoders
Yubo Sun, Gennian Ge
This paper addresses fundamental challenges in two-dimensional error correction by constructing optimal codes for \emph{criss-cross deletions}. We consider an array…
Tailoring Interdigitated Back Contacts for High-performance Bifacial Silicon Solar Cells
Yubo Sun, Zhiguang Zhou, Reza Asadpour +2
Photovoltaic (PV) cells have become one of the most promising renewable energy technologies. To make PV more competitive with incumbent technologies, higher power output densities…
VisRAG2.0: Mitigating Visual Hallucinations via Evidence-Guided Multi-Image Reasoning in Visual Retrieval-Augmented Generation
Yubo Sun, Chunyi Peng, Yukun Yan +6
Visual Retrieval-Augmented Generation (VRAG) has emerged as a promising paradigm for equipping Vision-Language Models (VLMs) with external visual evidence, enabling them to go beyo…
Correcting One Deletion and One Substitution with a Constant Number of Reads
Yuling Li, Yubo Sun, Gennian Ge
In this paper, we investigate the problem of designing -reconstruction codes for , where is the single-deletion single-substi…
Bounds and Constructions of -Read Codes under the Hamming Metric
Yubo Sun, Gennian Ge
Nanopore sequencing is a promising technology for DNA sequencing. In this paper, we investigate a specific model of the nanopore sequencer, which takes a -ary sequence of length…
Polynomially Improved Lower Bounds for Trifferent Codes via Locally Sparse -Uniform Hypergraphs
Xuejiao Han, Yubo Sun, Gennian Ge
The paper improves the known lower bound on the size of ternary trifferent codes by a factor of √n, using a refined concatenation method that employs locally sparse 3‑uniform hyper…
Optimal Reconstruction Codes with Given Reads in Multiple Burst-Substitutions Channels
Wenjun Yu, Yubo Sun, Zixiang Xu +2
We study optimal reconstruction codes over the multiple-burst substitution channel. Our main contribution is establishing a trade-off between the error-correction capability of the…
Extremal Deletion-Ball Intersections under Run-Count and Lower-Order Deletion-Ball Intersection Constraints
Yubo Sun, Gennian Ge
Motivated by sequence reconstruction and reconstruction codes, we study extremal intersections of deletion balls over a fixed -ary alphabet. Let be the set of sequences…
Correcting Bursty/Localized Deletions: A New Error-Position-Estimation Code
Zuo Ye, Yubo Sun, Gennian Ge
Codes correcting bursts of deletions and localized deletions have garnered significant research interest in recent years. One of the primary objectives is to construct codes with m…
Binary Codes for Correcting Two Edits
Yubo Sun, Gennian Ge
An edit refers to a single insertion, deletion, or substitution. This paper aims to construct binary codes that can correct two edits. To do this, a necessary and sufficient condit…
Random Reed--Solomon Codes Correcting Permutations, Insertions, and Deletions over Polynomial-Size Alphabets
Yijun Zhang, Yubo Sun, Xiande Zhang +1
We study Reed--Solomon codes against adversarial coordinate permutations followed by insertion-deletion (insdel) errors. It was previously shown by Con (2025) that Reed--Solomon co…
Correcting Errors Through Partitioning and Burst-Deletion Correction
Yubo Sun, Gennian Ge
In this paper, we propose a partitioning technique that decomposes a pair of sequences with overlapping -deletion -substitution balls into sub-pairs, where the -bur…
Fast Computation and Optimization for Opinion-Based Quantities of Friedkin-Johnsen Model
Haoxin Sun, Yubo Sun, Xiaotian Zhou +1
In this paper, we address the problem of fast computation and optimization of opinion-based quantities in the Friedkin-Johnsen (FJ) model. We first introduce the concept of partial…
Behavior and Sublinear Algorithm for Opinion Disagreement on Noisy Social Networks
Wanyue Xu, Yubo Sun, Mingzhe Zhu +2
The phenomenon of opinion disagreement has been empirically observed and reported in the literature, which is affected by various factors, such as the structure of social networks.…
Improved constructions of permutation and multi-permutation codes correcting a burst of stable deletions
Yubo Sun, Yiwei Zhang, Gennian Ge
Permutation codes and multi-permutation codes have been widely considered due to their various applications, especially in flash memory. In this paper, we consider permutation code…