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13 hours ago · It is known, for instance, that every continuous translation invariant continuous linear operator on L 1 is the convolution with a finite Borel measure. More generally, every continuous translation invariant continuous linear operator on L p for 1 ≤ p < ∞ is the convolution with a tempered distribution whose Fourier transform is bounded.
13 hours ago · In quantum physics, position and momentum are represented by mathematical entities known as Hermitian operators, and the Born rule is used to calculate the expectation values of a position measurement or a momentum measurement. These expectation values will generally change over time; that is, depending on the time at which (for example) a ...
13 hours ago · Brighton ( / ˈbraɪtən / BRY-tən) is a seaside resort and one of the two main areas of the city of Brighton and Hove in the county of East Sussex, England. It is located 47 miles (76 km) south of London. [1] Archaeological evidence of settlement in the area dates back to the Bronze Age, Roman and Anglo-Saxon periods.
13 hours ago · Derby ( / ˈdɑːrbi / ⓘ DAR-bee) is a city and unitary authority area on the River Derwent in Derbyshire, England. Derbyshire is named after Derby, which was its original county town. As a unitary authority, Derby is administratively independent from Derbyshire County Council. The population of Derby is 263,490 (2022).
13 hours ago · Uzbekistan, officially the Republic of Uzbekistan, is a doubly landlocked country located in Central Asia.It is surrounded by five countries: Kazakhstan to the north, Kyrgyzstan to the northeast, Tajikistan to the southeast, Afghanistan to the south, and Turkmenistan to the southwest, making it one of only two doubly landlocked countries on Earth, the other being Liechtenstein.
13 hours ago · Reversing the decline in population in Korea is going to take radical, even revolutionary steps. I have one to propose. It is that the 'gwaoe' system, the after-school 'hagwon' or cram school system be incorporated into the Ministry of Education and made part of 'free education' in Korea.
