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Topic: Spin group


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  Quantum Conformal Gravity, Higgs, and Spin Networks   (Site not responding. Last check: 2007-11-03)
The conformal group Spin(0,6) = SU(4) is 15-dimensional, with a 10-dimensional subgroup Spin(0,5) = Sp(2) that is the de Sitter group.
for a massive spinning point-particle, moving in a gravitational background with torsion...the motion is not generally geodesic, the spin vector is not Fermi-transported, and the particle couples to the torsion.
Spin Networks are defined by Baez as "...graphs embedded in a manifold S (the space of spacetime) with edges labelled by representations of a Lie group G and with vertices labelled by intertwining operators.
www.valdostamuseum.org /hamsmith/cnfGrHg.html   (8522 words)

  
 What IS a Lie Group?
The Bn and Dn are real rotations, denoted Spin(2n+1) and Spin(2n), and are called Spin groups, the double covers of special Orthogonal groups; the An are complex generalized rotations, denoted SU(n+1), and are called special Unitary groups; and the Cn are quaternionic generalized rotations, denoted Sp(n), and are called Symplectic groups.
F4 is the automorphism group of 3x3 matrices of octonions o11 o12 o13 o21 o22 o23 o31 o32 o33 such that o11, o22, and o33 are real (have no imaginary part), and o12, o13, o23 are the octonion conjugates of o21, o31, o32 respectively.
A Lie algebra is a logarithm of a Lie group, and a Lie group is an exponential of a Lie algebra.
akbar.marlboro.edu /~mahoney/groups/Lie.html   (2525 words)

  
 Spin - Formal Verification
Spin is a popular open-source software tool, used by thousands of people worldwide, that can be used for the formal verification of distributed software systems.
Spin works on-the-fly, which means that it avoids the need to preconstruct a global state graph, or Kripke structure, as a prerequisite for the verification of system properties.
Spin can be used as a full LTL model checking system, supporting all correctness requirements expressible in linear time temporal logic, but it can also be used as an efficient on-the-fly verifier for more basic safety and liveness properties.
spinroot.com /spin/whatispin.html   (1845 words)

  
 Ralph Group : projects : Spin-orbit scattering in noble-metal nanoparticles
For devices based on spin "Spintronics" the spin-relaxation time is a very important quantity.
In such a device, the spin-relaxation time must be longer than the time to perform a specific function, oherwise the spin information will be lost and the device rendered useless.
In metals, coupling of the spin and orbital angular momentum causes spin-mixing, resulting in energy eignestates that are no longer pure spin-eigenstates, but admixtures of spin-up and spin-down eigenstates.
people.ccmr.cornell.edu /~ralph/projects/spin_orbit   (363 words)

  
 Spin Group History   (Site not responding. Last check: 2007-11-03)
The Spin Group, Inc. is a digital media design firm with a focus on improving online business through the development of web applications and computer-based training solutions.
Spin Group continues this endeavor by consistently researching and applying the best practices of digital media development within each and every project.
This allowed Spin Group to expand their skillset, to also include online marketing, and discover new technologies which helped to recognize the firm as a leading provider of online business solutions.
www.spingroup.com /htmdocs/the_group/index.html   (271 words)

  
 Signal Processing in Networking
SPIN (Signal Processing in Networking) focuses on an exciting new area of signal processing devoted to the study, modeling, and analysis of networks and network traffic.
The overarching goal of SPIN is to improve future generations of networks and the Internet, making them faster, more reliable, and more secure.
Our group blends recent work in multifractals, network tomography, and QoS measurement to develop unique and innovative signal processing theory and methods dealing with these key challenges.
spin.rice.edu   (106 words)

  
 Texas SPIN-Saving Pyrs In Need
SPIN, Inc is comprised of caring, dedicated Pyrenees families, who provide loving foster homes to the less fortunate of the breed, until approved adoptions can be carried out.
SPIN, Inc is located in Dallas/Fort Worth, Texas and we currently cover the North Central and North East corner of the state.
SPIN, Inc is an IRS recognized 501c3 non-profit, all volunteer organization, supported by public contributions and involved citizens.
www.spinrescue.org   (389 words)

  
 The Claremont Club | Group Activities | Spin
Spin classes are composed of a 45 minute ride (unless otherwise stated) followed by a 10 minute stretch.
Spinning class designed for young adults that are at least 5' tall.
This 90 minute class is a test of your endurence as the instructor challenges your riding senses with peaks and valleys.
claremontclub.com /asp/Site/GroupActivities/Spin/index.asp?ID=2   (322 words)

  
 EIU SPIN Student Panther Information Network - Frequently Asked Questions
SPIN is a part of the SINAPSE project, a free, open-source technology written in PHP and developed by students at the University of Oklahoma, along with several partner schools.
SPIN is run by students under the leadership of the ITS department.
The SPIN Content Managers are in charge of moderating the Message Boards, by keeping them free of profanity, racial slurs, or any other content that is determined to be demeaning or inappropriate.
spin.eiu.edu /faq.php   (1108 words)

  
 Hammel Group Spin Electronics
The injection of spin across the interface separating a highly spin polarized injector and a paramagnetic semiconductor is a crucial element in incorporating spin-based elements into an information processing electronic device.
Among these are the temporal and spatial decay rates of the injected non-equilibrium spin polarization, and a detailed characterization of the behavior of the spin-polarized currents in the immediate vicinity of the interface.
Spatially resolved mapping of the non-equilibrium spin polarization resulting from a steady-state injection current will allow direct measurement of the decay of the spin polarization as a function of distance from the injection interface, and thus direct measurement of the spatial decay rate.
www.physics.ohio-state.edu /~hammel/spininfo.html   (579 words)

  
 Neighborhood group to spin off chapter - North County Times - North San Diego and Southwest Riverside County News
The group has considered expanding its territory to increase its membership and its clout on city issues, but a number of residents objected, saying expanding the group would compromise the group's primary mission to represent the neighborhood.
As a compromise, the group agreed last Thursday night to spin off chapters that would focus on the problems of residents of their own neighborhoods, but will work in conjunction with the main branch of the Oceanside Coastal Neighborhood Association on bigger issues.
He said the new group will be modeled after the current association but that he doesn't have any illusions that his group would be as successful as the first group.
www.nctimes.com /articles/2004/09/20/news/community/9_19_0420_43_11.txt   (722 words)

  
 Magnetism & Spin Electronics - Physics - Trinity College Dublin
Coey, we are the most active magnetism research group in Ireland.
The group has also hosted 25 postdoctoral fellows and visiting professors from all over the world and numerous short-term visitors.
The group currently includes 18 staff members, postdocs and graduate students as well as visitors, project and summer students.
www.tcd.ie /Physics/Magnetism   (147 words)

  
 EIU SPIN Student Panther Information Network - What Spin Offers
The SPIN message boards are low on objectionable material as a result of the fact that users cannot hide behind anonymity.
By creating a group, your organization is further enhancing its ability to communicate internally and externally on campus.
In past years, if a student needed to sell a personal item or was curious about what others were selling, he or she would have to browse over-crowded bulletin boards around campus, and often have to decipher the sloppy writing in order to tell what was being sold.
spin.eiu.edu /info.php   (1227 words)

  
 Yuri_bio
His research interests are in the field of linear and nonlinear spin waves in magnetic films and multilayers, interaction of spin waves with optical and acoustical waves, and elaboration of new spin wave devices for microwave signal processing.
In 1997, 1999, 2001 and 2002, as a Visiting Professor, he, together with other members of the Group, investigated spin wave envelope solitons in ferrite films, three-wave nonlinear damping of spin waves, different kinds of spin wave delay lines and so on.
At the present he is working on microwave bistability in nonlinear ferromagnetic resonance resonators and formation of ultra short microwave pulses due to nonlinear damping of spin waves.
lamar.colostate.edu /~magnon/group/fetisov_bio.htm   (323 words)

  
 Spin - Wikipedia, the free encyclopedia
Spin (public relations), a heavily biased portrayal of an event or situation
Spinning (cycling), form of exercise that involves using a stationary bicycle in a classroom setting
SPIN (operating system), an OS based on Mach which allows Modula-3 code to be linked into the kernel live[1]
en.wikipedia.org /wiki/Spin   (257 words)

  
 Spin group - Wikipedia, the free encyclopedia
In mathematics the spin group Spin(n) is the double cover of the special orthogonal group SO(n), such that there exists a short exact sequence of Lie groups
As a Lie group Spin(n) therefore shares its dimension, n(n − 1)/2, and its Lie algebra with the special orthogonal group.
For instance, there are isomorphisms between low dimensional spin groups and certain classical Lie groups.
en.wikipedia.org /wiki/Spinor_group   (158 words)

  
 [No title]
Due to the proximity of the following event, we thought that some of you may be interested in attending a two-day class being held in Madison WI by nationally renowned speaker James Bach.
Wisconsin Information Systems Quality Assurance group (www.wisqa.org) is hosting a two-day class with James Bach on “Rapid Testing: Exploratory Testing” in Madison WI on October 18-19, 2006 and there are still a few seats left.
This is a reminder that the Milwaukee SPIN Group's May meeting will be this Thursday, May 11th.
www.milwaukeespin.com   (1048 words)

  
 RHIC Spin Group Home Page
The purpose of the RHIC Spin Group is to provide leadership and support for the RHIC spin program at BNL, and to provide for the common requirements of the spin program, particularly for polarimetry.
STAR spin, PHENIX spin, and polarimetry are combined within one group.
The goal of the RHIC spin program is to understand the spin structure of the proton, using the strongly interacting probes, quarks and gluons, of one colliding proton to probe the structure of the other colliding proton.
www.phy.bnl.gov /rhicspin   (188 words)

  
 Basic SPIN Information
Short of it is that there was a core group that had been planning to start a SPIN for about two years.
Normally the SPIN meetings are held in one of the member organization's premises.
SPIN members would be interested in participating in various SEI initiatives/program.
www.sei.cmu.edu /collaborating/spins/overview.html   (3856 words)

  
 SPiN Documentation + Groups: How to Request a SPiN Group   (Site not responding. Last check: 2007-11-03)
Once the ‘Request Group’ button is clicked, the form will be sent to be approved.
You will be notified by email when your group has been approved.
The next time you log in to SPIN there will be a ‘Management’ link under the welcome box (located in the upper left or upper right hand corner of the window, depending on your SPIN theme).
spin.eiu.edu /documentation/groups/groups17.htm   (103 words)

  
 Psychometric properties of the Social Phobia Inventory (SPIN): New self-rating scale -- CONNOR et al. 176 (4): 379 -- ...
The protocols used to define the groups were not identical.
Construct validity for the SPIN was evaluated as follows.
SPIN score might be a criterion of response in a clinical trial.
bjp.rcpsych.org /cgi/content/full/176/4/379   (3737 words)

  
 Milwaukee Web Design and Web-based Training Development | The Spin Group, Inc.   (Site not responding. Last check: 2007-11-03)
Spin Group is helping to update and streamline the Fashion Angels online presence.
The Spin Group is providing assistance in their efforts to translate their website.
Spin Group is a digital media design firm located in Milwaukee, Wisconsin.
www.spingroup.com   (349 words)

  
 - NADE Administration SPIN Group   (Site not responding. Last check: 2007-11-03)
he purpose of the Administration SPIN is to provide opportunities through conference meetings, networking, and correspondence for members to meet and interact with other professionals interested in issues that impact administrators and the programs they lead.
This SPIN group allows professionals to network at the NADE conference and through correspondence to address the issues facing colleagues.
The SPIN group offers a professional avenue for growth by increasing interaction among the SPIN group members.
www.tfn.net /~nadeadmi   (337 words)

  
 The Sinclair Group Announces Spin-off of M and A Advisory Division
The Sinclair Group (TSG), a leading process and process automation industries consulting and mergers and acquisition (MandA) advisory firm, is spinning off its MandA Advisory Division which has been branded CXO Advisors.
The new company, CXO Advisors, LLC, will be led by The Sinclair Group’s former Managing Partner and President of the MandA Division, Gary A. Lenz and former Vice President and CFO, Cole M. Dudley.
David King, Founder and President of the Process Consulting Division added, “We are pleased that Gary Lenz, a former Emerson Process Executive, and Cole Dudley, a former venture capitalist with the AM Fund, have decided to lead the new company, CXO Advisors, LLC.
www.sinclairgroup.com /public/pressreleases/pr_31Dec2004.shtml   (474 words)

  
 SPIN.com: Group Sounds
With tunes that mix Jam-inspired grooves with flashes of '80s synth-pop, New York outfit Group Sounds create music made for unconsciously strutting and spastically dancing.
On opener "Business Before Pleasure," Group Sounds match falsetto vocals with an irrepressible hip-shaking chorus reminiscent of former tour-mates Hot Hot Heat.
"We fell in love / She ran away." Breaking up may be hard to do, but with an exuberant retro-rock vibe, the collective discovers that dancing may be the best form of group therapy.
www.spin.com /features/band_of_the_day/2005/12/051228_group_sounds   (221 words)

  
 The Sinclair Group Announces Spin-off of M and A Advisory Division
The Sinclair Group, a leading process and process automation industries consulting and mergers and acquisition (MandA) advisory firm, is spinning off its MandA Advisory Division which has been branded CXO Advisors.
In addition to its MandA Advisory business, Sinclair Group provides management and operations best practices consulting services to the process industries comprising the refining, petrochemical, resins and fibers, specialty and fine chemicals, pulp and paper, metals and the electric utility sectors.
We believe that the formation of this new company will provide Sinclair Group with additional focus on its core process consulting business and for CXO Advisors to continue to grow the MandA Advisory business in the automation sector.
www.sinclairgroup.com /public/pressreleases/pr_01Jan2005.shtml   (284 words)

  
 Spin Physics with Polarized Noble Gases
SLAC - E142 - The Spin Structure Function of the Neutron Determined Using a Polarized
E154 - Precision Measurement of the Neutron Spin Structure Function Using a Polarized
E97-110 - The GDH Sum Rule and the Spin Structure of
galileo.phys.virginia.edu /research/groups/spinphysics   (315 words)

  
 Boston Software Process Improvement Network (SPIN)
Boston SPIN (Software Process Improvement Network) is a forum for free and open exchange of software process improvement experiences and ideas.
The organization serves as a source of educational and scientific information for its members, other SPIN organizations, and the general software community.
Members of Boston SPIN come from academic, government, and industry backgrounds.
www.boston-spin.org   (77 words)

  
 Upcoming.org: Groups: Milwaukee SPIN Group
The Milwaukee SPIN Group's purpose is to provide the Southeastern Wisconsin software community with a public organization that promotes Software Process Improvement (SPI).
The organization will serve as a SPI forum for the exchange of experiences and ideas and a source of educational information for its members and the organizations they belong to.
To add events to this group, use the "Send to group..." option from any event page.
upcoming.org /group/1503   (79 words)

  
 CNI Polarimeter Group Home Page
The CNI Polarimeter Group develops, maintains and operates polarimeters in the Relativistic Heavy Ion Collider (RHIC) complex.
In addition to providing polarization measurements that are essential to the RHIC Spin Program, the polarimeters also make it possible to measure single and double spin asymmetries in the √s regimes accessible at RHIC.
These data are useful in understanding the spin dependent hadronic contribution to the transverse asymmetry.
www4.rcf.bnl.gov /~cnipol   (157 words)

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