Algorithms
Algorithm design, data structures, and combinatorial optimization
20 papers indexed
Diffusion-Robust Optimization over Graphs
The paper introduces a diffusion-based uncertainty model for robust optimization on graphs, showing that the resulting computational complexity depends critically on the interaction between the uncert…
Taming Treewidth DP with Modulators: A General Booster for Graph Heuristics
Jialiang Li, Aneta Neumann, Frank Neumann, Hung Nguyen +1 more
This paper demonstrates that treewidth dynamic programming (TDP) can be used to enhance the performance of various graph combinatorial optimization algorithms.
How to Draw a Planar Graph: An Experimental Evaluation
This paper experimentally evaluates various planar graph drawing algorithms and compares their performance in terms of visual properties.
A genetic algorithm for student academic resource allocation
This paper proposes a Genetic Algorithm with constraint repair mechanism for optimally allocating educational resources to high school mathematics students under study time constraints.
The Sample Complexity of Multiclass and Sparse Contextual Bandits
Liad Erez, Fan Chen, Alon Cohen, Tomer Koren +3 more
The paper analyzes the sample complexity of contextual bandits in the $s$-sparse setting, achieving optimal sample bounds for identifying an $\epsilon$-optimal policy.
Isomorphism of tournaments with bounded VC dimension
This paper solves the tournament isomorphism problem for tournaments of bounded VC dimension in time n^(O(dlog d)), enabling polynomial-time computation of their automorphism groups.
Let Relations Speak: An End-to-End LLM-GNN Soft Prompt Framework for Fraud Detection
The paper proposes the LLM-GNN Soft Prompt Framework (LGSPF) to enhance fraud detection by directly integrating graph structure and semantic information into LLMs, achieving state-of-the-art performan…
Directed Graph Topology Inference via Graph Filter Identification
This paper addresses the problem of inferring a directed network from nodal measurements using graph convolutional filters and identifies the diffusion filter and network topology.
Robust Wavelength Selection for Partial Least Squares Sugar Content Estimation Using Combinatorial Bayesian Optimization
This paper proposes a Bayesian optimization method for wavelength selection in near-infrared spectroscopy to improve prediction accuracy and yield consistent wavelength regions.
$O(n +f(k))$: Truly Linear FPT
The paper introduces and explores Truly Linear FPT (TLFPT), a complexity class defined by $O(n) + f(k)$, demonstrating that it is a strict subset of standard Linear FPT and providing new algorithms fo…
$\tilde{O}$ptimal Algorithm for 2-Approximate All Pair Shortest Paths -- almost
This paper presents a randomized algorithm that runs in $ ilde{O}(n^2)$ time and, with high probability, guarantees a 2-approximation for all pairs at distance at least $c$ in an undirected, unweighte…
A quantitative container characterization of one-sided testability
The paper provides a quantitative characterization of size-oblivious one-sided testability in dense graphs using hypergraph containers, resolving a question in modern combinatorics.
Algorithms and complexity for geodetic sets on interval and chordal graphs
This paper shows that finding the minimum geodetic set in chordal graphs is fixed parameter tractable, implying a polynomial-time algorithm for k-trees. It also proves that the problem is NP-hard on i…
Linear Ordering Problem: Time for a Change
The paper addresses limitations in the Linear Ordering Problem (LOP) by introducing a novel benchmark suite derived from current economic data and an algorithmic scheme to generate diverse, high-quali…
Semi-Streaming Matching in a Single Pass II: Greedy is Optimal
This paper proves that no single-pass semi-streaming algorithm can achieve a better-than-half approximation to the maximum matching problem, implying the optimality of the naive greedy algorithm.
Energy-efficient codon optimization on thermodynamic hardware
This paper presents the first application of thermodynamic computing to mRNA codon optimization in pharmaceutical R&D, achieving significant energy savings compared to conventional GPUs.
DQAOA-GPT: AI-Accelerated Distributed Quantum Optimization for Combinatorial Problems
Seongmin Kim, Abhinav Rijal, Yuri Alexeev, Nora Bauer +4 more
This paper introduces DQAOA-GPT, a hybrid framework that integrates DQAOA and GPT-based quantum circuit generation for solving combinatorial optimization problems, reducing computational cost and main…
Anomaly as Non-Conformity via Training-Free Graph Laplacian Energy Minimization
Jungwook Seo, Minjeong Kim, Younkwan Lee, Seungho Shin +1 more
The paper proposes ANoCo, a training-free method that detects visual anomalies by quantifying how much a query patch deviates from the structure of a fixed normal feature manifold using graph Laplacia…
Unifying Temporal and Structural Credit Assignment in LLM-Based Multi-Agent Prompt Optimization
Wenwu Li, Yuran Song, Mingze Zhao, Bo Jin +1 more
The paper proposes a novel temporal and structural credit assignment framework to efficiently optimize multi-agent LLM systems by decomposing the error signal and using targeted, discrete gradient upd…
An Evolutionary Algorithm Assisted by an Ensemble of Pareto-Optimal Surrogate Models
This paper proposes an adaptive ensemble method for surrogate-assisted evolutionary algorithms (SAEAs) that optimizes the structure of radial basis function networks (RBFNs) to construct robust ensemb…