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spec: A multivariate polynomial has the half-plane property if it is non-zero whenever all variables are in the open right half-plane . Many are joining health care purchasing alliances that offer an array of choices , so their workers can also choose between joining a low-cost plan or spending more if they want better protection . That risk , and a decline in work relationships related to the mental health issues , was very scary for both Maria and her employer . The open positions are for field qualitative researchers / ethnographers on a CDC-funded study of health risks associated with new forms of drug use . A `` Modified Version '' of the Document means any work containing the Document or a portion of it , either copied verbatim , or with modifications and / or translated into another language.A `` Secondary Section '' is a named appendix or a front-matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document 's overall subject ( or to related matters ) and contains nothing that could fall directly within that overall subject . Subject material is divided into topics , organised into week-long schedules and prepared by acknowledged experts in distance learning . There are more than 60 sports clubs , teams and societies you can become a part of and plenty of opportunities for everyone . " The new language permits the filing of less than the entire record even when the parties do not agree as to which parts should be filed . He recognizes that such an authoritative role for the courts , often contrary to elected institutions or their appointees , will be controversial and problematic , but does not shy away from it . If we take a piece of string , tie a ( genuine ) knot in it and glue the loose ends together , there is no way that we can fully untangle the string without using scissors . The essential characteristics of the appendix method are : ( 1 ) the entire record may not be reproduced ; ( 2 ) instead , the parties are to set out in an appendix to the briefs those parts of the record which in their judgment the judges must consult in order to determine the issues presented by the appeal ; ( 3 ) the appendix is not the record but merely a selection therefrom for the convenience of the judges of the court of appeals ; the record is the actual trial court record , and the record itself is always available to supply inadvertent omissions from the appendix . In the spring , key investigators supported by the Center present their work in a symposium open to the entire University . Because a combined document most often will be used when there is substantial overlap in the argument in opposition to the motion and in the argument for the affirmative relief , twenty pages may be sufficient in most instances . His fine and lovely eyes were now lighted up with indignation , now subdued to downcast sorrow , and quenched in infinite wretchedness . When Notices providing advance information of material to be incorporated in the CCDM are issued , the author should begin preparing the CCDM section / revision as soon as the Notice is issued . It 's an early start , with breakfast being served at 7.15am and a weather check before the day can begin . I am embarrassed to admit that I never heard of them , which does not say anything about them , of course . Academic support services relevant to studies are also available . Special examples of Hessenberg varieties include the Springer fiber ( a variety closely tied to representation theory ) , the Peterson variety ( related to the quantum cohomology of the flag variety ) , the space of Hessenberg matrices for a linear operator M ( important in numerical analysis ) , and the entire flag variety itself .