THE COLLAPSE OF THE USSR - A SINGULAR POINT IN HISTORY

2021 ◽  
Author(s):  
Igor Vasilyevich Gridchin
Keyword(s):  
Singular Point

First order over determined system with singular point

2007 ◽  
Vol 18 (1) ◽  
pp. 65-80
Author(s):  
Adel Nasim Adib ◽  
Nusrat Rajabov
Keyword(s):  
Singular Point ◽  
First Order

Boundary Value Problems of Electroelasticity with Concentrated Singularities

1994 ◽  
Vol 1 (5) ◽  
pp. 459-467
Author(s):  
T. Buchukuri ◽  
D. Yanakidi
Keyword(s):  
Singular Point ◽  
Boundary Value Problems ◽  
Power Function ◽  
Boundary Value ◽  
Linearly Independent

Abstract We investigate the solutions of boundary value problems of linear electroelasticity, having growth as a power function in the neighbourhood of infinity or in the neighbourhood of an isolated singular point. The number of linearly independent solutions of this type is established for homogeneous boundary value problems.

Locating the singular point in first-order optical flow fields.

1998 ◽  
Vol 24 (5) ◽  
pp. 1415-1430 ◽  
Author(s):  
Susan F. te Pas ◽  
Astrid M. L. Kappers ◽  
Jan J. Koenderink
Keyword(s):  
Singular Point ◽  
Optical Flow ◽  
Flow Fields ◽  
First Order

Three-Dimensional Hopf Bifurcation for a Class of Cubic Kolmogorov Model

2014 ◽  
Vol 24 (03) ◽  
pp. 1450036 ◽  
Author(s):  
Chaoxiong Du ◽  
Qinlong Wang ◽  
Wentao Huang
Keyword(s):  
Hopf Bifurcation ◽  
Singular Point ◽  
Three Dimensional ◽  
Singular Values ◽  
Bifurcation Problem ◽  
Disturbed Condition ◽  
Differential Systems ◽  
Kolmogorov Model ◽  
Polynomial Differential Systems ◽  
Fine Focus

We study the Hopf bifurcation for a class of three-dimensional cubic Kolmogorov model by making use of our method (i.e. singular values method). We show that the positive singular point (1, 1, 1) of an investigated model can become a fine focus of 5 order, and moreover, it can bifurcate five small limit cycles under certain coefficients with disturbed condition. In terms of three-dimensional cubic Kolmogorov model, published references can hardly be seen, and our results are new. At the same time, it is worth pointing out that our method is valid to study the Hopf bifurcation problem for other three-dimensional polynomial differential systems.

Islamicate Goods in Gothic Halls: The Afterlives of Palma De Mallorca’s Islamic Past

2020 ◽  
Vol 26 (2) ◽  
pp. 128-144
Author(s):  
Doron Bauer
Keyword(s):  
Singular Point ◽  
Collective Memory ◽  
Artistic Production ◽  
Artistic Heritage ◽  
Material Evidence

Abstract Following the conquest of Islamic Majorca in 1229, the Christian settler-colonizers embraced a purist identity that rejected altogether the island’s Islamic past and its artistic heritage. Visually, this new identity found its expression in the form of a clean, restrained, and mathematical gothic style. Palma’s towering gothic monuments embodied an ideological attempt at cultural erasure that has shaped Mallorquin identity to the present day. However, through the interstices of collective memory and material evidence it becomes clear that Islam and the Islamicate lingered beyond the singular point of the conquest through the continuity of local artistic production, the arrival of new Muslim artisans, imports of Islamicate objects, and the survival of monuments. The result was a hierarchical aesthetic system with two axes: the first consisted of the superimposed monumental, public, and official Gothic, while the second consisted of portable and less durable Islamicate objects that circulated in the gothic halls.

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