Results 31 to 40 of about 34,618 (252)
On the Second-Largest Reciprocal Distance Signless Laplacian Eigenvalue
Mathematics, 2021 The signless Laplacian reciprocal distance matrix for a simple connected graph G is defined as RQ(G)=diag(RH(G))+RD(G). Here, RD(G) is the Harary matrix (also called reciprocal distance matrix) while diag(RH(G)) represents the diagonal matrix of the ...
Maryam Baghipur +3 more
doaj +1 more source
On the distance spectral radius of cacti
Linear Algebra and its Applications, 2012 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bose, Surya Sekhar +2 more
openaire +2 more sources
A proof of a conjecture on the distance spectral radius
Linear Algebra and its Applications, 2023 A cactus is a connected graph in which any two cycles have at most one common vertex. We determine the unique graph that maximizes the distance spectral radius over all cacti with fixed numbers of vertices and cycles, and thus prove a conjecture on the distance spectral radius of cacti in [S.S. Bose, M. Nath, S. Paul, On the distance spectral radius of
Yanna Wang, Bo Zhou
openaire +3 more sources
Distance spectral radius of series-reduced trees with parameters [PDF]
RAIRO - Operations Research, 2021 For a connected graph G, the distance matrix is a real-symmetric matrix where the (u, v)-entry is the distance between vertex u and vertex v in G. The distance spectral radius of G is the largest eigenvalue of the distance matrix of G. A series-reduced tree is a tree with at least one internal vertex and all internal vertices having degree at least ...
Yuyuan Deng +3 more
openaire +1 more source
On graft transformations decreasing distance spectral radius of graphs [PDF]
RAIRO - Operations Research, 2021 The distance spectral radius of a connected graph is the largest eigenvalue of its distance matrix. In this paper, we give several less restricted graft transformations that decrease the distance spectral radius, and determine the unique graph with minimum distance spectral radius among home-omorphically irreducible unicylic graphs on n ≥ 6 vertices ...
Yanna Wang, Bo Zhou 0007
openaire +2 more sources
FEBS Letters, EarlyView.Vacuolar H+‐ATPase (V‐ATPase) is a multisubunit rotary proton pump that acidifies intracellular compartments. Using elastic network models, we identified conserved hinge residues that govern its large‐scale functional motions. We show that intrinsically encoded ‘soft modes’ drive critical functional transitions, including rotary catalysis and ...
Diksha Parwana +3 more
wiley +1 more source
FEBS Open Bio, EarlyView.Functional screening identified PcSyn14890, a cyanobacteria‐specific protein that enhances growth and stress resistance in E. coli and Synechocystis PCC6803. Although we expected it to function as a molecular chaperone, it was unable to protect against thermal aggregation of GAPDH.
Akiyo Yamada +7 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt +8 more
wiley +1 more source
Matching extension and distance spectral radius
Linear Algebra and its Applications, 2023 A graph is called $k$-extendable if each $k$-matching can be extended to a perfect matching. We give spectral conditions for the $k$-extendability of graphs and bipartite graphs using Tutte-type and Hall-type structural characterizations. Concretely, we give a sufficient condition in terms of the spectral radius of the distance matrix for the $k ...
Yuke Zhang, Edwin R. van Dam
openaire +3 more sources
Advanced Engineering Materials, EarlyView.A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi +3 more
wiley +1 more source