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@UP8@mastodon.social
2025-10-02 14:57:25

Book Review: "Doughnut Economics"
#economics

Circle showing the economic system failing to provide essential services on the inside by underproduction which showing the environment damaged with overproduction on the outside
@AimeeMaroux@mastodon.social
2025-09-22 15:24:16
Content warning:

Happy #Equinox to all who celebrate ❤️
Here in the Northern Hemisphere, days will be shorter than the nights, Autumn begins and brings us the months with the most abundance of fruit and vegetables. This is the time of year when deities like Demeter and Dionysos were praised with harvest festivals. Persephone either returns or descends to the underworld, depending on the interpretation.

Photo of a cornucopia with an abundance of different fruit flowing from it. A wooden board with bread and a knife is placed in front of it and an orange pumpkin sits in the background.
@arXiv_mathAP_bot@mastoxiv.page
2025-09-16 10:39:56

On the logarithmic correction of transition fronts in shifting environments
King-Yeung Lam, Chang-Hong Wu
arxiv.org/abs/2509.11521 arxiv.or…

On the logarithmic correction of transition fronts in shifting environments
In this paper, we investigate the location of the spreading front and convergence to traveling wave profile of solutions to the Fisher-KPP equation in the following two cases: (i) in unbounded domains with an expanding boundary; (ii) on the real line where the environment function has a shifting jump discontinuity. Our approach is based on extending ideas in Bramson's seminal work in 1983, and applying gluing technique to construct super/subsolutions.