On the Convexity of Level Sets for Elliptic and Parabolic Exterior Boundary Value Problems

1988 ◽  
pp. 153-159
Author(s):  
Bernhard Kawohl
Keyword(s):  
Boundary Value Problems ◽  
Level Sets ◽  
Boundary Value ◽  
Exterior Boundary

scholarly journals The Collocation Method For Fourth Order Fuzzy Boundary Value Problems

2019 ◽  
Vol 21 (85) ◽  
pp. 1-10
Author(s):  
Rasha H.Ibraheem
Keyword(s):  
Differential Equation ◽  
Boundary Value Problems ◽  
Collocation Method ◽  
Fourth Order ◽  
Level Sets ◽  
Boundary Value ◽  
Method Of Solution ◽  
Α Level ◽  
Fuzzy Boundary Value Problems ◽  
Fuzzy Boundary

In this paper, the collocation method is considered to solve the nonhomogeneous  for fourth order fuzzy boundary value problems, In which the fuzziness appeared together in the boundary conditions and in the nonhomogeneous term of the differential equation. The method of solution depends on transforming the fuzzy problem to equivalent crisp problems using the concept of α-level sets.

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