Results 1 to 10 of about 43 (39)

The use of mobile phone surveys for rapid mortality monitoring: A national study in Burkina Faso [PDF]

open access: yesDemographic Research
BACKGROUND: In low- and middle-income countries, death registration remains low, and mortality estimation is heavily based on surveys and censuses conducted through face-to-face interviews.
Luhar, Shammi   +11 more
core   +4 more sources

Pöschl-Teller potentials based solution to Hilbert's tenth problem

open access: yesIngeniería y Ciencia, 2006
Los hipercomputadores computan funciones o números, o en general solucionan problemas que no pueden ser computados o solucionados por una máquina de Turing. Se presenta una adaptación del algoritmo cuántico hipercomputacional propuesto por Tien D.
Andrés Sicard   +3 more
core   +1 more source

On an Example of Derivative Nonlinear Schrödinger Equation with D2 Reduction [PDF]

open access: yes, 2019
[Gerdjikov V. S.; Герджиков В. С.]; [Stefanov A. A.; Stefanov A. Aleksander; Стефанов А.
Stefanov, A. A., Gerdjikov, V. S.
core   +1 more source

New Types of Two Component NLS-Type Equations [PDF]

open access: yes, 2016
[Gerdjikov V. S.; Герджиков В. С.]; [Stefanov A. A.; Stefanov A. Aleksander; Стефанов А.
Stefanov, A. A., Gerdjikov, V. S.
core   +1 more source

Riemann-Hilbert Problems with Canonical Normalization and Families of Commuting Operators [PDF]

open access: yes, 2012
2010 Mathematics Subject Classification: 35Q15, 31A25, 37K10, 35Q58.We start with a Riemann-Hilbert Problems (RHP) with canon- ical normalization whose sewing functions depends on several additional vari- ables.
Gerdjikov, V. S.
core  

On the 3-Wave Equations with Constant Boundary Conditions [PDF]

open access: yes, 2012
2010 Mathematics Subject Classification: 37K40, 35Q15, 35Q51, 37K15.The inverse scattering transform for a special case of the 3- wave resonant interaction equations with non-vanishing boundary conditions is studied.
Gerdjikov, V. S., Grahovski, G. G.
core  

On The Solution To The Inverse Problem For The Toda Chain

open access: yes, 1998
. The "elliptic" version of a three-dimensional nonlinear integrable equation, the Toda chain equation, is studied by means of the inverse scattering method.
Javier Villarroel
core  

New Types of Two Component NLS-Type Equations

open access: yes, 2020
Stefanov, A. A., Gerdjikov, V. S.
core  

On the 3-Wave Equations with Constant Boundary Conditions

open access: yes, 2013
Gerdjikov, V. S., Grahovski, G. G.
core  

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