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341
Flexible Queueing Architectures
Published 2020“…We study a multiserver model with n flexible servers and n queues, connected through a bipartite graph, where the level of flexibility is captured by an upper bound on the graph's average degree, dn. …”
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Article -
342
Brownian-Huygens Propagation: Modeling Wave Functions with Discrete Particle-Antiparticle Random Walks
Published 2022“…Consider a collection of particles executing random walks on an undirected bipartite graph embedded in $$\mathbb {R}^{D}$$ R D at discrete times $$\mathbb {Z}$$ Z , and assume those walks are “heat-like”, in the sense that a (conserved) density of particles obeys the heat equation in the continuum limit. …”
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Article -
343
Reaction Factoring and Bipartite Update Graphs Accelerate the Gillespie Algorithm for Large-Scale Biochemical Systems
Published 2010“…Second, representing dependencies between reactions with a bipartite graph of reactions and species requires only O(n) storage for n reactions, rather than the O(n[superscript 2]) required for a graph that includes only reactions. …”
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Article -
344
A simple message-passing algorithm for compressed sensing
Published 2012“…We establish that when A corresponds to the adjacency matrix of a bipartite graph with sufficient expansion, a simple message-passing algorithm produces an estimate x^ of x satisfying ∥x-x^∥[subscript 1] ≤ O(n/k) ∥x-x[superscript(k)]∥1, where x[superscript(k)] is the best k-sparse approximation of x. …”
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345
Queueing system topologies with limited flexibility
Published 2014“…We study a multi-server model with n flexible servers and rn queues, connected through a fixed bipartite graph, where the level of flexibility is captured by the average degree, d(n), of the queues. …”
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346
Erdos–Hajnal-type theorems in hypergraphs
Published 2015“…However, it is known that an H-free graph must contain a complete or empty bipartite graph with parts of polynomial size. We prove an analogue of this result for 3-uniform hypergraphs, showing that if a 3-uniform hypergraph on n vertices is H-free, for any given H, then it must contain a complete or empty tripartite subgraph with parts of order c(logn)[superscript 1/2 + δ(H)], where δ(H) > 0 depends only on H. …”
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347
Duality theory for optimal mechanism design
Published 2015“…The dual system reveals the natural geometric nature of the problem and highlights its connection with the theory of bipartite graph matchings.</p> <p>We demonstrate the power of the framework by applying it to various special monopoly settings where a seller of multiple heterogeneous goods faces a buyer with independent item values drawn from various distributions of interest, to design both exact and approximately optimal selling mechanisms. …”
Thesis -
348
The complexity of approximately counting retractions
Published 2019“…The result is as follows: (1) Approximately counting retractions to a tree H is in FP if H is a star, a single looped vertex, or an edge with two loops. (2) Otherwise, if H is an irreflexive caterpillar or a partially bristled reflexive path, then approximately counting retractions to H is equivalent to approximately counting the independent sets of a bipartite graph — a problem which is complete in the approximate counting complexity class RHπ1. (3) Finally, if none of these hold, then approximately counting retractions to H is #P-complete under approximation-preserving reductions. …”
Conference item -
349
The complexity of approximately counting retractions
Published 2020“…The result is as follows: (1) Approximately counting retractions to a graph H of girth at least 5 is in FP if every connected component of H is a star, a single looped vertex, or an edge with two loops. (2) Otherwise, if every component is an irreflexive caterpillar or a partially bristled reflexive path, then approximately counting retractions to H is equivalent to approximately counting the independent sets of a bipartite graph—a problem that is complete in the approximate counting complexity class RH Π 1. (3) Finally, if none of these hold, then approximately counting retractions to H is equivalent to approximately counting the satisfying assignments of a Boolean formula. …”
Journal article -
350
Cohesive subgraph mining in large graphs
Published 2023“…In this thesis, we study three cohesive subgraph mining problems on large graphs, namely (1) maximal k-biplex enumeration problem on bipartite graphs, (2) maximum k-biplex search problem on bipartite graphs, and (3) maximal quasi-clique enumeration problem on large general graphs. …”
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Thesis-Doctor of Philosophy -
351
Gut permeability and osteoarthritis, towards a mechanistic understanding of the pathogenesis: a systematic review
Published 2021-01-01“…We propose a pathogenetic model in which dysbiosis is correlated to the bipartite graph of tight junctions and bacterially-produced products, aiming to direct future studies in the search of other bacterial products and tight junction disassembly regulators.KEY MESSAGESPrevious studies and methods have underestimated the impact of the gut-joint axis in osteoarthritis and have focussed on the characterisation of microbiota phenotypes rather than clear molecular mediators of disease.Gut dysbiosis is related to higher levels of bacterial toxins that elicit cartilage and synovium inflammatory pathways.Future research may benefit from focussing on both tight junctions and bacterially-produced products.…”
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352
IDENTIFICATION OF PROBLEM SITUATIONS IN FUNCTIONAL DIAGNOSTICS OF INTELLIGENT BUSINESS SYSTEMS
Published 2020-12-01“…A complex of models has been developed to construct a bipartite graph of a problem situation and to analyze its problem-containing environment. …”
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353
Subtypes of relapsing-remitting multiple sclerosis identified by network analysis
Published 2023-01-01“…Network analysis of the unipartite graph yielded a higher modularity score (0.49) than the bipartite graph (0.25). The bipartite network was partitioned into five communities which were named fatigue, behavioral, hypertonia/weakness, abnormal gait/sphincter, and sensory, based on feature characteristics. …”
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354
On Performance of Sparse Fast Fourier Transform Algorithms Using the Aliasing Filter
Published 2021-05-01“…In the first part, the paper introduces the three frameworks: the one-shot framework based on the compressed sensing (CS) solver, the peeling framework based on the bipartite graph and the iterative framework based on the binary tree search. …”
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355
Multiplayer Reach–Avoid Differential Games in 3D Space Inspired by Harris’ Hawks’ Cooperative Hunting Tactics
Published 2023-01-01“…Moreover, the matching algorithm for the case with pursuers outnumbered evaders is provided through constructing a weighted bipartite graph, and the cooperative tactics for multiple pursuers are proposed, inspired by the Harris’ Hawks intelligent cooperative hunting tactics. …”
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Article -
356
The Complex Structure of the Pharmacological Drug–Disease Network
Published 2021-08-01“…Here, we construct a bipartite graph in terms of active ingredients and diseases based on thoroughly classified data from a recognized pharmacological website. …”
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Article -
357
A Novel Unsupervised Classification Method for Sandy Land Using Fully Polarimetric SAR Data
Published 2021-01-01“…More specifically, this involves a beginning sub-step of superpixels generation via the Adaptive Simple Linear Iterative Clustering (ASLIC) algorithm when the feature vector combined with the spatial coordinate information are employed as input, and subsequently a sub-step of representative points selection as well as bipartite graph formation, followed by the spectral clustering algorithm to complete the classification task. …”
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Article -
358
Human-in-the-loop Outlier Detection
Published 2021“…To address the second challenge, we propose a bipartite graph-based question selection strategy that is theoretically proven to be able to minimize the number of questions needed to cover all outlier candidates. …”
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359
Human-in-the-loop Outlier Detection
Published 2022“…To address the second challenge, we propose a bipartite graph-based question selection strategy that is theoretically proven to be able to minimize the number of questions needed to cover all outlier candidates. …”
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Article -
360