Results 121 to 130 of about 10,447 (245)

Quasi-Irreducibility of Nonnegative Biquadratic Tensors

Mathematics
While the adjacency tensor of a bipartite 2-graph is a nonnegative biquadratic tensor, it is inherently reducible. To address this limitation, we introduce the concept of quasi-irreducibility in this paper.
Liqun Qi, Chunfeng Cui, Yi Xu
doaj   +1 more source

Clusterix: A Hybrid Visualization Model for Hierarchically Clustered Networks

Computer Graphics Forum, EarlyView.
Abstract We introduce Clusterix, a novel hybrid visualization model for representing hierarchically clustered networks, which also supports directed and weighted edges. Clusterix offers an integrated view of both the network and its full cluster hierarchy by compactly visualizing the cluster inclusion tree enriched with links of the network.
Carla Binucci, Annika Bonerath, Walter Didimo, Henry Förster, Seok‐Hee Hong, Maria Eleni Pavlidi, Alessandra Tappini   +6 more
wiley   +1 more source

Cycles in bipartite graphs

Journal of Combinatorial Theory, Series B, 1981
AbstractFor k an integer, let G(a, b, k) denote a simple bipartite graph with bipartition (A, B) where |A| = a ≥ 2, |B| = b ≥ k ≥ 2, and each vertex of A has degree at least k. We prove two results concerning the existence of cycles in G(a, b, k).
openaire   +2 more sources

Three-Dimensional Ultrasound Localization Microscopy with Bipartite Graph-Based Microbubble Pairing and Kalman-Filtering-Based Tracking on a 256-Channel Verasonics Ultrasound System with a 32 × 32 Matrix Array. [PDF]

J Med Biol Eng, 2022
Lok UW, Huang C, Trzasko JD, Kim Y, Lucien F, Tang S, Gong P, Song P, Chen S.   +8 more
europepmc   +1 more source

Certifying Induced Subgraphs in Large Graphs

Journal of Graph Algorithms and Applications
We introduce I/O-efficient certifying algorithms for the recognition of bipartite, split, threshold, bipartite chain, and trivially perfect graphs. When the input graph is a member of the respective class, the certifying algorithm returns a certificate
Ulrich Meyer, Hung Tran, Konstantinos Tsakalidis   +2 more
doaj   +1 more source

Forest edges buffer effects of agricultural management on bee–plant interaction networks

Ecological Entomology, EarlyView.
Agricultural management effects: Organic and conventional crop margins host similar bee and plant species, but network structure differs: organic farms exhibit higher interaction diversity, conventional farms higher connectance. Role of forest edges: Native forest edges stabilize bee–plant networks by providing continuous floral resources and suitable ...
Samantha Marx de Castro, Cauê Nagatani, Vania Nobuko Yoshikawa, Franciny Yuko Urushima, Kelli dos Santos Ramos, Guaraci Duran Cordeiro, Maria Santina de Castro Morini   +6 more
wiley   +1 more source

Floral richness drives flower–insect networks in city gardens and allotments

Ecological Entomology, EarlyView.
Floral richness was the main driver of flower visits within green spaces whilst green space in the surrounding landscape influenced flower visits by amplifying the effects of floral richness. Native plants received more visits than non‐native plants, although flower visitor richness to non‐native plants increased later in the season as non‐native plant
Emma Plant, Ria Dunkley, William A. O. McGhee, Dominic J. McCafferty, Davide M. Dominoni   +4 more
wiley   +1 more source

The R203W substitution drives PACS‐1 syndrome by disrupting intramolecular regulation

The FEBS Journal, EarlyView.
The middle region (MR) of PACS‐1 controls engagement with specific partner proteins. This manuscript presents the structure of the Furin binding region (FBR) and how interactions with partners are regulated through the interplay between a basic patch in the FBR and an acidic cluster in the MR.
Troy C. Krzysiak, In‐Ja L. Byeon, Ryan Ponticelli, Mary E. Lucas, Lariah Thompson, Christopher DeHaven, Gary Thomas, Angela M. Gronenborn   +7 more
wiley   +1 more source

Forest disturbance and the spread of invasive species disrupt diel activity patterns in New Guinea ant communities

Insect Conservation and Diversity, EarlyView.
Primary forests hosted more diurnal species and exhibited significant diel specialization. Secondary forests were less species‐rich, dominated by invasive ants, with reduced diel partitioning and more species active at night. Although the overall ant activity was higher during the day, this pattern was stratum‐dependent: arboreal and terrestrial ants ...
Jan Lenc, Petr Klimes, Bonny Koane, Vojtech Novotny, Katerina Sam   +4 more
wiley   +1 more source

Linking the Comparison and Graphical Approaches to Bipartite Matching

International Statistical Review, EarlyView.
Summary Bipartite record linkage has the goal of identifying observations referring to the same individual, called coreferent observations, across two distinct non‐duplicated datasets. The two main approaches to solve this task are the Fellegi–Sunter model, which relies on pairwise comparisons of observations, and the graphical record linkage model ...
Edoardo Redivo
wiley   +1 more source