On algebraic methods in covering radius problems

1995 ◽  
pp. 21-32 ◽  
Author(s):  
I. Honkala ◽  
S. Litsyn ◽  
A. Tietäväinen
Keyword(s):  
Covering Radius ◽  
Algebraic Methods ◽  
Radius Problems

Comparing the solution of the time fractional Gross–Pitaevskii (FGP) equation with external potential by analytical and algebraic methods

SeMA Journal ◽  
2016 ◽  
Vol 73 (3) ◽  
pp. 201-212
Author(s):  
N. Taghizadeh ◽  
A. Ebadian ◽  
M. Najand Foumani ◽  
F. Farahrooz ◽  
A. A. Khajehnasiri
Keyword(s):  
External Potential ◽  
Algebraic Methods

Radius problems for univalent functions

2020 ◽  
Vol 26 (1) ◽  
pp. 111-115
Author(s):  
Janusz Sokół ◽  
Katarzyna Trabka-Wiȩcław
Keyword(s):  
Unit Disk ◽  
Univalent Functions ◽  
Radius Problems ◽  
Radius Of Convexity

AbstractThis paper considers the following problem: for what value r, {r<1} a function that is univalent in the unit disk {|z|<1} and convex in the disk {|z|<r} becomes starlike in {|z|<1}. The number r is called the radius of convexity sufficient for starlikeness in the class of univalent functions. Several related problems are also considered.

Radius problems in the class

2009 ◽  
Vol 214 (2) ◽  
pp. 569-573 ◽  
Author(s):  
Janusz Sokół
Keyword(s):  
Radius Problems
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