knots groups and 3-manifolds papers dedicated to the memory of r h fox aug 1975

... Bcorresponding to the subgroup of 771(M-B)representedontopermutationswhichfix1,undthencompleting to f:N->Mbyfillingin the tubularneighborhood of B and extendingf' to f.Aregularbranchedcoveringisoneforwhichf':N') M - Bisaregu-larcovering,or inotherwords,oneforwhich the subgroup of 771(M-B)inquestionisnormal.Amongtheseare the cyclicbranchedcoverings,givenbyrepresentations771(M-B)->Znonto the cyclicgroup of ordern,suchthat the projectionf:N ... HI(M;Z),butthisconditionisnotalwaysnecessary.§4. Commuting the twooperationsIfonehasinhandabranchedcoveringspace, and asurgery to beper-formed on the basemanifold,onemayaskwhether the surgerycanbelifted to the coveringmanifoldinsuchawaythat the surgeredmanifoldupstairsnaturallybranchedcovers the surgeredmanifolddownstairs. The answer to thisisveryinteresting,becauseitshowsonehow to change the orderinwhich the twooperationsareperformed,withoutchanging the resulting3-manifold.Letf:N->Mbeann-foldbranchedcovering of the oriented3-manifoldMalongBeMgivenby ... k(Z and SYMMETRICFIBEREDLINKS9neighborhoodsTi of the ci's and regluing the closedneighborhoodsbyorientationpreservingself-homeomorphismscPi:aTi aTi of theirboundary.Itisnothard to seethatNisdeterminedup to homeomorphismby the homologyclasses of the imagecurvescPi(mi)inHI(aTi;Z),wheremiisameridianonaTi(i.e.,miisanorientedsimpleclosedcurveonaTiwhichspansadiskinT...

... throughout the Decade. The section below provides the partnership framework of the Decade, which also serves as a means for identifying the full range of partners that will work together and with UNESCO ... education, which might be most appropriate to achieve it – is a broader question. In other words, the role and provision of education are central, and this drives the EFA agenda forward; the underlying ... cooperation. UNESCO will be proactive, and all of the parts of the Organization will work together in an intersectoral manner, to demonstrate the strong leadership and coordination role at international...

... left her photographic art under dust covers for nine years before setting up in business. When you have put together the answers to the Where, What, How and When questions, the next matter to ... publishing. The team at Peppered Sprout know where they’re going, play to their strengths, are clear about what business they are in, and which clients they intend to win to develop their creative ... Ogilvy, Chris and Peter have a target list of clients they intend to work with and they actively pursue them. They don’t advertise. They don’t do tendering. They go for the jugular. Plastic Rhino,...

... with high purity is feasible and safe. Another concern of intravenous transplantation of MSCs is whether the MSCs can migrate into and proliferate in the target tissues, which is the basis of ... after necrosis; C: Femoral head at 6 w after MSCs transplantation. Black arrow shows the surface of femoral head. The normal femoral head was smooth and round, and the articular cartilage was transparent ... and smoothness. The transparency was decreased (Figure 5B). At 6 w after MSC trans-plantation, the shape of femoral head was integrity and the articular cartilage largely preserved. The ar-ticular...

... Hanoi University of Industry for their help in completing the survey questionnaires, for their constructive suggestions to this research, and for their willingness to share their relevant problems ... result of my own work, except where otherwise acknowledge and that this minor thesis or any part of the same had not been submitted for a higher degree to any other universities or institutions.Date:…….…………………………….Signature: ... for the study and sets up the aims, scopes and methods of the study. The develoment - which is considered as the main part of the study, includes three chapters with differents functions. Chapter...

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... for the peer model prior to MPLS based VPNs, the shared router approach and the dedicated router approach. The shared router approach is where several VPN customers share the same PE-router. ... VCs. This limits the view of the provider’s topology from the customer’s perspective. The customer is aware of the core due to the information he received regarding the VCs, but has no other knowledge. ... routes through the core of the network. MP-BGP is the only way that VPN routes are exchanged across the core. These BGP routes are not re-distributed into the core network but only to the other PE...

... antiretroviral therapy (HAART) for HIV-infected mothers greatly increases the contribu-tion of SRH services to HIV/AIDS treatment.**HAART is currently the gold-standard, three-drugcombination therapy ... inZimbabwe72on the organization of clinic ser-vices and how providers spend their time sug-gests that how providers use their time, ratherthan the amount of time they have available, iswhat matters. The ... sub -groups whose high-riskpractices provide a conduit for HIV to move from onecore group to another, or to enter the general populationthrough ‘‘bridging’’ groups. I Askew, M Berer / Reproductive...