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Three punt pole shoes in varying states of wear. A setting pole or quant (quant pole) is a pole, handled by a crew member, to move boats, barges (in which case it is also called a barge pole) or punts by pushing the craft in the desired direction. The pole is used to push against the river or sea bed or, in some cases, the bank of the river.
It is usual to carry one or two spare poles in a race, so that one can keep punting if a pole gets stuck or is dropped. A punt pole differs from the Fenland quant in that it does not have a cross piece at the top, and from the more generally used setting pole in that it only has a metal shoe on one end. [5]
A function f is meromorphic in an open set U if for every point z of U there is a neighborhood of z in which at least one of f and 1/f is holomorphic. If f is meromorphic in U, then a zero of f is a pole of 1/f, and a pole of f is a zero of 1/f. This induces a duality between zeros and poles, that is
This memorial nickel shows the use of setting poles on Lewis & Clark's Keelboat. The keelboat could be propelled by oars, sails, poles and towlines. When using the setting poles, the crew put the poles in the bottom of the river and pushed off while walking from the bow to the stern. Towlines were used by men, horses, or oxen pulling the boat. [9]
Or visitors can simply set up camp along the lakefront and enjoy a hearty Christmas meal of lamb, seafood and chicken on the barbie. New York City Rockefeller Center lies at the core of the New ...
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This singularity is the Landau pole with a negative residue, g(Λ) ≈ −Λ Landau / (β 2 (Λ − Λ Landau)). In fact, however, the growth of g 0 invalidates Eqs. 1 , 2 in the region g 0 ≈ 1 , since these were obtained for g 0 ≪ 1 , so that the nonperturbative existence of the Landau pole becomes questionable.