Non-homogeneous metric measure spaces provide a versatile framework for extending classical harmonic analysis to settings where the underlying measure does not satisfy the usual doubling property.

New Glenn rocket launch was postponed due to solar activity Geomagnetic storms can disrupt radio, satellite communications Twin NASA satellites to measure space weather on Mars Heightened aurora ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...