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Science News for September 4, 2021


Researchers prove global smoothness for Monge-Ampère equation

Experts in the field have long believed that uniform convexity of domains was essential for the optimal transport map to be smooth. The new study removes this condition, reducing the regularity assumption and providing a significant breakthrough in the field.

SourceUniversity of Science and Technology of China·JournalAnnals of Mathematics·DateSep 4, 2021

Researchers reveal suboptimal conditions of platform bundling strategy

The study found that upstream suppliers increase retail prices to compel platforms to use bundling strategies, reducing profits and social welfare. The researchers propose not bundling sales in advance to mitigate this effect and improve consumer value.

SourceUniversity of Science and Technology of China·JournalProduction and Operations Management·DateSep 4, 2021

High-intensity rehabilitation boosts recovery after a stroke

A new study found that high-intensity rehabilitation significantly improves motor function in stroke patients compared to low-intensity therapy. Implementing high-intensity therapy sooner after a stroke can overcome the detrimental effects of starting late, according to researchers.

SourceInstitute for Bioengineering of Catalonia (IBEC)·JournalJournal of Neurology Neurosurgery & Psychiatry·DateSep 4, 2021
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.