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Journal of the London Mathematical Society, Volume 113, Issue 1, January 2026.
Abstract In 1935, Philip Hall published what is often referred to as ‘Hall's marriage theorem’ in a short paper (P. Hall, J. Lond. Math. Soc. (1) 10 (1935), no. 1, 26–30.) This paper has been very influential. I state the theorem and outline Hall's proof, together with some equivalent (or stronger) earlier results, and proceed to discuss some the many ...
Peter J. Cameron
wiley +1 more source

Upscaling of thermoacoustic-Stirling duplex cryocoolers based on resonance tube coupling. [PDF]

iScience
Wei L +6 more
europepmc +1 more source

Improvement of the Nonlinear Damage Mathematical Model for Steel Components in Bridge Under Complex Stress

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
To investigate the relationship between load, damage, and fatigue life of complex engineering components under stress, this paper modifies the existing continuous nonlinear damage model based on the distortion energy density theory to reflect the usage and stress characteristics of Q345 steel components in bridges.
Yonzhi Lin +7 more
wiley +1 more source

Temporal dynamics of polar bear (<i>Ursus maritimus</i>) pregnancy rates in western Hudson Bay: influence of mass, age and timing of first breeding. [PDF]