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On the anomalous singularities of the solutions to some classes of weakly hyperbolic semilinear systems. Examples

Petar PopivanovIordan Iordanov — 2003

Banach Center Publications

This paper deals with the newly observed singularities of the solutions of some specific examples of weakly hyperbolic semilinear systems in R². Two, respectively three, characteristics are supposed to be mutually tangential at the origin only and the initial data are continuous only. The exact strength of the new-born singularities is investigated too.

Notes on the Solution of Dynamic Optimization Problems with Explicit Controls in Discrete-Time Economic Models Бележки върху решаването на диманични оптимизационни задачи с явни управления в икономически модели с дискретно време

Iordanov, IordanVassilev, Andrey — 2011

Union of Bulgarian Mathematicians

Йордан Йорданов, Андрей Василев - В работата се изследват методи за решаването на задачи на оптималното управление в дискретно време с безкраен хоризонт и явни управления. Дадена е обосновка на една процедура за решаване на такива задачи, базирана на множители на Лагранж, коята често се употребява в икономическата литература. Извеждени са необходимите условия за оптималност на базата на уравнения на Белман и са приведени достатъчни условия за оптималност при допускания, които често се използват...

Strategic Trade Between Two Countries - Exploring the Case of Partial Local Consumer Protection

Iordanov, IordanVassilev, Andrey — 2017

Serdica Journal of Computing

The paper develops a dynamic model of trade between two countries where the trading entities interact in a strategic context. Consumers in both countries are endowed with certain incomes and try to acquire as much as possible of the quantities available on the markets. Consumers have privileged access to some of the good supplied locally, a form of partial local protection. Over time, prices are adjusted to respond to the outcomes of trading. For this setup, we prove the existence of Nash equilibria...

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