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Differential topology also deals with questions like these, which specifically pertain to the properties of differentiable mappings on R < sup > n </ sup > ( for example the tangent bundle, jet bundles, the Whitney extension theorem, and so forth ).
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Differential and topology
Differential topology considers the properties and structures that require only a smooth structure on a manifold to be defined.
Differential topology is the study of the ( infinitesimal, local, and global ) properties of structures on manifolds having no non-trivial local moduli, whereas differential geometry is the study of the ( infinitesimal, local, and global ) properties of structures on manifolds having non-trivial local moduli.
Differential geometry is closely related to differential topology, and to the geometric aspects of the theory of differential equations.
* Differential form, a concept from differential topology that combines multilinear forms and smooth functions
Differential and also
Differential cryptanalysis is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions.
Differential Manchester encoding, also called biphase mark code ( BMC ) or FM1, is a line code in which data and clock signals are combined to form a single 2-level self-synchronizing data stream.
Differential signaling also reduces electromagnetic radiation from the cable, along with the associated attenuation allowing for greater distance between exchanges.
Differential heat treatment ( also called selective heat treatment or local heat treatment ) is a technique used during heat treating to harden or soften certain areas of a steel object, creating a difference in hardness between these areas.
Differential hardening ( also called differential quenching, selective quenching, selective hardening, or local hardening ) is most commonly used in bladesmithing to increase the toughness of a blade while keeping very high hardness and strength at the edge.
A planing chisel being differentially tempered, showing the colors moving across the long, flat section between the shaft and the cutting edge. Differential tempering ( also called graded tempering, selective tempering or local tempering ) is the inverse of differential hardening, to ultimately produce similar results.
Differential based systems also exist such as the Cambridge Passenger / Commercial Vehicle Kinetic Energy Recovery System ( CPC-KERS ).
The theory of Differential association also deals with young people in a group context, and looks at how peer pressure and the existence of gangs could lead them into crime.
* Differential rent ( also called quality or Ricardian rent ) arises because of differences in the quality of similar goods or inputs ( e. g. production sites ).
Differential stresses arising from inhomogeneous densification have also been shown to result in the propagation of internal cracks, thus becoming the strength-controlling flaws.
An example of this is the Eaton Automatic Locking Differential ( ALD ), also called Eaton Automatic Differential Lock ( ADL ), developed by the Eaton Corporation for GM's Rounded-Line C / K Series pickups and utilities.
* Differential locking can also be used in the sport of drifting as an alternative to a limited slip differential.
Differential locks are also used on some " non-utility " four-wheel-drive vehicles ( such as the Mitsubishi Shogun ) to compensate for a relative lack of axle articulation ( vertical wheel movement ).
Differential stresses arising from inhomogeneous densification have also been shown to result in the propagation of internal cracks, thus becoming the strength-controlling flaws.
Differential stresses arising from inhomogeneous densification have also been shown to result in the propagation of internal cracks, thus becoming the strength-controlling flaws.
Differential GPS measurements can also be computed in real-time by some GPS receivers if they receive a correction signal using a separate radio receiver, for example in Real Time Kinematic ( RTK ) surveying or navigation.
They can also be used to approximate a wide range of Partial Differential Equations ( PDE ) such as heat dissipation and wave propagation.
Differential variable capacitors also have two independent stators, but unlike in the butterfly capacitor where capacities on both sides increase equally as the rotor is turned, in a differential variable capacitor one section's capacity will increase while the other section's decreases, keeping the stator-to-stator capacitance constant.
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