Results 161 to 170 of about 52,480 (200)

Functional trait interactions in a human‐dominated world: Urbanization and reproduction in Eurasian red squirrels

Functional Ecology, Volume 40, Issue 5, Page 1327-1338, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecological traits such as behaviour, physiology and morphology mediate an organism's interaction with its environment, and understanding their joint contribution to reproductive fitness is essential for predicting biological responses to global change.
Maria Vittoria Mazzamuto, Claudia Tranquillo, Sandro Bertolino, Francesco Bisi, Francesca Santicchia, Damiano Preatoni, Adriano Martinoli, Lucas Armand Wauters   +7 more
wiley   +1 more source

Sinking peatlands: Optimal control of subsidence

American Journal of Agricultural Economics, Volume 108, Issue 3, Page 926-953, May 2026.
Abstract Land subsidence threatens the living conditions of about 1.2 billion people worldwide in deltaic regions characterized by soft top soil. Economic activity in these areas requires lowering groundwater levels to keep the land sufficiently dry, which leaves future generations worse off by accelerating subsidence and increasing future costs.
Suphi Sen, Dewy Verhoeven, Hans‐Peter Weikard   +2 more
wiley   +1 more source

Bayesian Estimates of Ice Optical Properties for Lake Ice Modeling

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Ice and snow cover on frozen lakes is a natural barrier to solar radiation, reducing the transfer of energy that controls under‐ice thermal dynamics and biological productivity. Direct measurements of under‐ice irradiance remain scarce due to logistical constraints.
G. Donini, C. Agostinelli, G. A. Weyhenmeyer, G. Kirillin, M. Leppäranta, G. E. Zdorovennova, I. A. Aslamov, J. A. Culpepper, H. A. Dugan, I. V. Fedorova, E. Jakobsson, R. L. North, Iu.S. Novikova, N. I. Palshin, N. J. T. Pearce, J. Robinson, K. Shchapov, K. Vikström, M. A. Xenopoulos, X. Yang, R. E. Zdorovennov, S. Piccolroaz   +21 more
wiley   +1 more source

Does Aromaticity Drive Metal Cation Binding to Nanographenes? Insights Into Regioselectivity and Cation‐π$$ \pi $$ Bonding

Journal of Computational Chemistry, Volume 47, Issue 10, 15 April 2026.
Aromaticity of a ring by itself does not explain the binding energies of alkali and alkaline earth metal cations with nanographenes, but when combined with the Fukui function, it does. ABSTRACT Nanographenes, a subclass of polycyclic aromatic hydrocarbons (PAHs), have attracted significant interest due to their unique electronic properties and broad ...
Omkar Charapale, Sergio Posada‐Pérez, Albert Poater, Miquel Solà   +3 more
wiley   +1 more source

Hamiltonian cycles through a linear forest in bipartite graphs

Discussiones Mathematicae Graph Theory
Xia Li, Yashu Li, Weihua Yang
doaj   +1 more source

HAMILTONIAN CYCLES THROUGH MATCHINGS

Demonstratio Mathematica, 1988
openaire   +1 more source

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On Hamiltonian cycles and Hamiltonian paths

Information Processing Letters, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Rahman, M. Sohel, Kaykobad, M.
openaire   +3 more sources

Hamiltonian Cycles and Markov Chains

Mathematics of Operations Research, 1994
In this paper we derive new characterizations of the Hamiltonian cycles of a directed graph, and a new LP-relaxation of the Traveling Salesman Problem. Our results are obtained via an embedding of these combinatorial optimization problems in suitably perturbed controlled Markov chains.
Filar, JA, Krass, D
openaire   +5 more sources

Finding Hamiltonian Cycles

Science, 1996
L. Adleman has proposed and demonstrated a highly novel approach using DNA and the tools of molecular biology to solve the famous Hamiltonian cycle problem (HCP) of computer science: Given a directed graph on N vertices ( N cities and a set of R ≤ N 2 one-way roads connecting the cities), does there exist a subset of the roads in which a tour of the ...
Eric Lewin Altschuler, Martin Lades, Richard Stong   +2 more
openaire   +3 more sources

Alternating Hamiltonian cycles

Israel Journal of Mathematics, 1976
For natural numbers \(n\) and \(d\), let \(K_n(\Delta_c \leq d)\) denote a complete graph of order \(n\) whose edges are colored so that no vertex belongs to more than \(d\) edges of the same color, and where \(\Delta_c\) is the maximal degree in the subgraph formed by the edges of color \(c\). D. E. Daykin proved that if \(d=2\) and \(n \geq 6\), then
Bollobás, Béla, Erdős, Paul
openaire   +1 more source