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SM. U-1. (Germany) SM U-1, also known in English as the German Type U 1 submarine, was the first U-boat class of the U-boat series of submarines produced for the German Empire 's Imperial German Navy. Only one was built. The U-1 was constructed by Germaniawerft in Kiel and was commissioned on 14 December 1906. [3]
Georg von Wilamowitz-Moellendorff. German submarine U-2 was a Type IIA U-boat of Nazi Germany 's Kriegsmarine. Her keel was laid down 11 February 1935 by Deutsche Werke of Kiel as yard number 237; she was launched on 1 July and commissioned on 25 July 1935 with Oberleutnant zur See ( Oblt.z.S.) Hermann Michahelles in command.
Unitary group. In mathematics, the unitary group of degree n, denoted U ( n ), is the group of n × n unitary matrices, with the group operation of matrix multiplication. The unitary group is a subgroup of the general linear group GL (n, C). Hyperorthogonal group is an archaic name for the unitary group, especially over finite fields.
Robotics. In robot motion planning, a Pfaffian constraint is a set of k linearly independent constraints linear in velocity, i.e., of the form. One source of Pfaffian constraints is rolling without slipping in wheeled robots. [2]
SU (2) is the universal covering group of SO (3), and so its representation theory includes that of the latter, by dint of a surjective homomorphism to it. This underlies the significance of SU (2) for the description of non-relativistic spin in theoretical physics; see below for other physical and historical context.
c. 5 – 6 April 1940. 4th patrol: 13 April – 2 May 1940. Victories: 3 merchant ships sunk. (1,825 GRT) German submarine U-17 was a Type IIB U-boat of Nazi Germany 's Kriegsmarine. It was built in Germaniawerft, Kiel, where it was laid down on 1 July 1935 and commissioned on 3 December 1935, under the command of Werner Fresdorf .
Dr. Noemi Dosova, is a Pediatrics specialist practicing in Fairfax, VA with 56 years of experience. . New patients are welcome.
German submarine U-166 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II.The submarine was laid down on 6 December 1940 at the Seebeckwerft (part of Deutsche Schiff- und Maschinenbau AG, Deschimag) at Wesermünde (modern Bremerhaven) as yard number 705, launched on 1 November 1941, and commissioned on 23 March 1942 under the command of Oberleutnant zur See Hans-Günther ...