\(f^{-1}\) is continuous (images of open sets are open, i.e. \(f\) is an open map).
13:29, 27 февраля 2026Спорт
，更多细节参见电影
«Били в одно место». Российский газовоз уничтожен украинскими дронами в Средиземном море. Что известно об атаке и судьбе моряков14:20
T-Mobile pre-orders for the new iPhone and iPad Air go live tomorrow, March 4 and the carrier is offering various free deals to those who sign up for T-Mobile service. Snag a free iPhone 17e by signing up for almost any T-Mobile plan for 24 months. You can also get a free iPhone 17 Pro when trading in an eligible phone and signing up for an Experience Beyond plan. For all free Apple deals, T-Mobile will charge taxes and a $35 device connection fee.
“This is what Chinese modern transnational repression looks like,” Ben Nimmo, principal investigator at OpenAI, told reporters ahead of the report’s release. “It’s not just digital. It’s not just about trolling. It’s industrialized. It’s about trying to hit critics of the CCP [Chinese Communist Party] with everything, everywhere, all at once.”