Search Results - "LAPLACIAN matrices"

Net laplacian spectra of signed wheel graph.

Authors: Tarisma, Tantri Rinurwati, Rinurwati Annisatul, Ririana et al.

Source: AIP Conference Proceedings. 2025, Vol. 3372 Issue 1, p1-6. 6p.

Subject Terms: *EIGENVALUES, *LAPLACIAN matrices, *MATRICES (Mathematics), *MULTIPLICITY (Mathematics), *GRAPH theory

Ḣ-Join operation of signed graphs constrained by indexing maps.

Authors: Huntington, Callum¹ (AUTHOR) callum.huntington@unina.it

Source: RAIRO: Operations Research (2804-7303). 2025, Vol. 59 Issue 5, p2501-2515. 15p.

Subject Terms: GRAPH theory, LAPLACIAN matrices, EIGENVALUES

Bipartite Coordination Control for Multi-robot Systems with Coopetition-Interaction.

Authors: Liu, Jingyi Li, Hengyu Zhou, Hongkun

Source: International Journal of Pattern Recognition & Artificial Intelligence. Sep2025, Vol. 39 Issue 11, p1-18. 18p.

Subject Terms: *COOPETITION, *DECENTRALIZED control systems, LAPLACIAN matrices, AGGREGATION (Robotics), MATRIX decomposition, COMPUTER simulation

Perfect State Transfer Between Real Pure States.

Authors: Godsil, Chris Kirkland, Stephen Monterde, Hermie

Source: SIAM Journal on Matrix Analysis & Applications. 2025, Vol. 46 Issue 3, p2093-2115. 23p.

Subject Terms: GRAPH theory, LAPLACIAN matrices, QUANTUM states, REPRODUCIBLE research, SPECTRAL theory, GRAPH connectivity, QUANTUM graph theory

Inverse Eigenvalue Problem for Laplacian Matrices of a Graph.

Authors: Fallat, Shaun Gupta, Himanshu Lin, Jephian C.-H.

Source: SIAM Journal on Matrix Analysis & Applications. 2025, Vol. 46 Issue 3, p1866-1886. 21p.

Subject Terms: LAPLACIAN matrices, GRAPH theory, WEIGHTED graphs, SPECTRAL theory, MINIMUM variance estimation, STAR graphs (Graph theory)

Spectral characterization of threshold graphs by distance Laplacian matrices.

Authors: Lather, Gargi Gupta, Vinayak Balaji, R.

Source: Linear & Multilinear Algebra. Nov2025, Vol. 73 Issue 17, p3894-3906. 13p.

Subject Terms: *LAPLACIAN matrices, *EIGENVALUES, *SPECTRAL theory, *GRAPH connectivity, *GRAPH theory

Characterization of graphs whose Laplacian eigenvalue 1 has multiplicity 2c(G) + p(G) − 1.

Authors: Han, Xiu Wang, Xinlei

Source: Linear & Multilinear Algebra. Nov2025, Vol. 73 Issue 17, p3881-3893. 13p.

Subject Terms: *LAPLACIAN matrices, *MULTIPLICITY (Mathematics), *GRAPH connectivity, *GRAPH theory, *MATRICES (Mathematics), *LAPLACIAN operator, *REPRESENTATIONS of graphs

Event‐Triggered Affine Formation Control for Linear Multi‐Agent Systems via Complex‐Valued Laplacian.

Authors: Zhu, Wei Liang, Yulan Cao, Wenji et al.

Source: International Journal of Robust & Nonlinear Control. 11/10/2025, Vol. 35 Issue 16, p6712-6720. 9p.

Subject Terms: *MULTIAGENT systems, *LAPLACIAN matrices, *CONTROL theory (Engineering), *SYNCHRONIZATION, *COMPUTER simulation

Minimizing the Determinant of the Graph Laplacian.

Authors: Albin, Nathan Lind, Joan Melikyan, Anna et al.

Source: Journal of Graph Theory. Nov2025, Vol. 110 Issue 3, p337-350. 14p.

Subject Terms: *WEIGHTED graphs, *LAPLACIAN matrices, *FACTORIZATION, *DENSE graphs, *EXTREME value theory, *SPANNING trees, *MATHEMATICAL optimization, *PERTURBATION theory

Assignment and distributed control of laplacian null space in multiagent systems.

Authors: Tran, Dzung Yucelen, Tansel Kurtoglu, Deniz et al.

Source: International Journal of Control. Oct2025, Vol. 98 Issue 10, p2491-2505. 15p.

Subject Terms: *MULTIAGENT systems, *LAPLACIAN matrices, *GRAPH theory, *DISTRIBUTED algorithms, *FEEDBACK control systems, *COOPERATIVENESS, *VECTOR spaces

On principal minors and determinants of complex Laplacian and complex signless Laplacian matrices of multidigraphs.

Authors: Barik, Sasmita Reddy, Sane Umesh

Source: Linear & Multilinear Algebra. Oct2025, Vol. 73 Issue 15, p3499-3519. 21p.

Subject Terms: *LAPLACIAN matrices, *COMPLEX matrices, *SPANNING trees, *MATHEMATICAL variables, *MULTIGRAPH, *MATRICES (Mathematics), *EIGENVECTORS

Research on pinning control of complex networks based on node group selection.

Authors: Sun, Haiyi Xu, Yifan Jia, Yanting

Source: Mathematical Foundations of Computing. Oct2025, Vol. 8 Issue 5, p1-16. 16p.

Subject Terms: *LAPLACIAN matrices, *SEARCH algorithms, *EIGENVALUES, *SYNCHRONIZATION, *CONTROL groups, *SIMULATED annealing

Multi-view clustering for single-cell RNA-seq data based on graph fusion Open Access.

Authors: Wang, Jing Xia, Junfeng Tan, Dayu et al.

Source: Briefings in Bioinformatics. May2025, Vol. 26 Issue 3, p1-13. 13p.

Subject Terms: *DATA structures, CLUSTERING algorithms, LAPLACIAN matrices, PRINCIPAL components analysis, RNA sequencing

On the Smith normal form of Q-walk matrix.

Authors: Qiu, Lihong Yuan, Zhongyou Ji, Yizhe

Source: Linear Algebra & its Applications. Jan2026, Vol. 729, p187-202. 16p.

Subject Terms: *GRAPH theory, *LAPLACIAN matrices, *MATRICES (Mathematics), *LOW-rank matrices, *MATHEMATICAL invariants, *MATRIX decomposition, *PARAMETERIZATION

Temperature-activated switchable nonreciprocal thermal emitter via magneto-optical quasi-BIC coupling.

Authors: Wang, Jianshu Sun, Yuwei Shi, Kezhang et al.

Source: Applied Physics Letters. 9/30/2025, Vol. 127 Issue 13, p1-9. 9p.

Subject Terms: *LAPLACIAN matrices, *HEAT radiation & absorption, *CLIMATE change, *ELECTRONIC equipment, *MAGNETOOPTICAL devices

Structural dependence of network coherence in odd-polygon chain networks.

Authors: Ji, Yunxin Sun, Weigang

Source: International Journal of Modern Physics C: Computational Physics & Physical Computation. Sep2025, p1. 21p. 4 Illustrations.

Subject Terms: *PENTAGONS, *LAPLACIAN matrices, *EIGENVALUES

Laplacian eigenvalues of the Clean graph of the ring ℤn.

Authors: Hassan, Masud Abu Nayeem, Sk. Md.

Source: Discrete Mathematics, Algorithms & Applications. Sep2025, p1. 19p.

Subject Terms: *LAPLACIAN matrices, *RING theory, *MATHEMATICS, *IDEMPOTENTS, *GRAPH theory

Laplacian spectrum of weakly zero-divisor graph.

Authors: Shariq, Mohd Mathil, Praveen Kumar, Jitender

Source: Discrete Mathematics, Algorithms & Applications. Sep2025, p1. 17p.

Subject Terms: *LAPLACIAN matrices, *GRAPH theory, *INTEGRAL domains, *LAPLACIAN operator, *COMMUTATIVE rings, *MODULAR arithmetic

Two problems on Laplacian ratios of trees.

Authors: Wu, Tingzeng Dong, Xiangshuai Lai, Hong-Jian

Source: Discrete Applied Mathematics. Sep2025, Vol. 372, p224-236. 13p.

Subject Terms: *PERMANENTS (Matrices), *LAPLACIAN matrices, *TREES, *LOGICAL prediction, *BIPARTITE graphs

The (n -1)-th Laplacian Immanantal Polynomials of Graphs.

Authors: Zhang, Wenwei Wu, Tingzeng Li, Xianyue

Source: Axioms (2075-1680). Sep2025, Vol. 14 Issue 9, p716. 24p.

Subject Terms: *LAPLACIAN matrices, *GRAPH theory, *LAPLACIAN operator, *REPRESENTATIONS of graphs, *MATHEMATICAL notation