natural boundary


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natural boundary

[′nach·rəl ′bau̇n·drē]
(mathematics)
Those points of the boundary of a region where an analytic function is defined through which the function cannot be continued analytically.
References in periodicals archive ?
Thrill-seekers usually head to CDO River, the natural boundary between the city and Bukidnon, to try out white-water rafting.
The hedge will create a natural boundary along the estate's frontage that is attractive not only to tenants and people living in the locality, but also to a variety of important bird and insect species.
Pakistan has maintained that the natural boundary, or the ceasefire line - subsequently renamed the LOC - must go North-East to the Karakorum Pass from the point where the current demarcation ends (MJ9842), India, on the other hand, had held that the line travelled vertically North from that point.
In this formulation, since both boundary conditions are natural boundary conditions, they do not need to be imposed in the finite element space [15] and one needs to solve for [[eta].
Europe is not so much a continent, rather a subcontinent with no natural boundary between it and the rest of the Eurasian land mass.
The west-facing, horseshoe-shaped southern tip of the Vaca Ranee is a natural boundary that partially encircles the Coombsville area, helping define the north, east and southern boundaries of the proposed viticultural area, which would become a subappellation of the larger Napa Valley AVA and the multicounty North Coast AVA.
What physical feature forms a natural boundary between France and Spain?
West Kirby, Heswall, Irby, Caldy, Hoylake and Thurstaston are on the River Dee side of the Peninsula, so they are on Deeside, Cheshire, the natural boundary between England and Wales.
With the given natural boundary conditions, interests of different groups of inhabitants and other users are in conflict.
The eastern frontier, from the White Sea to Ladoga, was much longer and more difficult, but also more important, because it was the natural boundary of the whole Scandinavian-Finnish region, and actually its only land frontier.