Template:Are You Sure/April 7: Difference between revisions
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• ... that today is '''[[Abuse of notation (nonfiction)|National Abuse of Notation Day]]''' in the United States, and that while Canada does not have an official Abuse of Notation Day, the phrase "Every Day is Abuse of Notation Day" is often attributed to the mathematician-comedians of [[New Minneapolis, Canada]] ? | • ... that today is '''[[Abuse of notation (nonfiction)|National Abuse of Notation Day]]''' in the United States, and that while Canada does not have an official Abuse of Notation Day, the phrase "Every Day is Abuse of Notation Day" is often attributed to the mathematician-comedians of [[New Minneapolis, Canada]] ? | ||
• ... that computer scientist '''[[Donald Sarason (nonfiction)|Donald Sarason]]''' pioneered the abstract treatment of contractive containment and established a fruitful connection between the spaces Hb and the ranges of certain Toeplitz operators? | |||
• ... that physicist '''[[Ernst Ruhmer (nonfiction)|Ernst Ruhmer]]''' investigated practical applications making use of the light-sensitivity properties of selenium, which he employed in developing wireless telephony using line-of-sight optical transmission, sound-on-film audio recording, and television transmission over wires? | • ... that physicist '''[[Ernst Ruhmer (nonfiction)|Ernst Ruhmer]]''' investigated practical applications making use of the light-sensitivity properties of selenium, which he employed in developing wireless telephony using line-of-sight optical transmission, sound-on-film audio recording, and television transmission over wires? | ||
Revision as of 06:55, 7 April 2020
• ... that today is National Abuse of Notation Day in the United States, and that while Canada does not have an official Abuse of Notation Day, the phrase "Every Day is Abuse of Notation Day" is often attributed to the mathematician-comedians of New Minneapolis, Canada ?
• ... that computer scientist Donald Sarason pioneered the abstract treatment of contractive containment and established a fruitful connection between the spaces Hb and the ranges of certain Toeplitz operators?
• ... that physicist Ernst Ruhmer investigated practical applications making use of the light-sensitivity properties of selenium, which he employed in developing wireless telephony using line-of-sight optical transmission, sound-on-film audio recording, and television transmission over wires?