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Papers by Rumen Andreev

Research paper thumbnail of Glass formation in the Se–Ge–Zn and GeSe3–ZnSe–Ag2Se systems

Research paper thumbnail of Encyclopedia of Business Analytics and Optimization

CITATION 1 READS 273 2 authors, including: Some of the authors of this publication are also worki... more CITATION 1 READS 273 2 authors, including: Some of the authors of this publication are also working on these related projects: Rational Portfolio Investment Based on Consumer's Preferences: Blak-Scholes Model and Stochastic

Research paper thumbnail of Kolmogorov–Chentsov Theorem and Differentiability of Random Fields on Manifolds

Potential Analysis, 2014

A version of the Kolmogorov-Chentsov theorem on sample differentiability and Hölder continuity of... more A version of the Kolmogorov-Chentsov theorem on sample differentiability and Hölder continuity of random fields on domains of cone type is proved, and the result is generalized to manifolds.

Research paper thumbnail of A Framework for E-learning Engineering

E-learning engineering concerns the design and implementation of e-learning systems. Their modeli... more E-learning engineering concerns the design and implementation of e-learning systems. Their modeling depends on existing frameworks for education determining educational forms that have to be computerized. The available computer technologies influnce computer-based realization of the represented educational forms. The used frameworks for education supporting e-learning design are not comprehensive, since they do not ensure consideration of all educational forms. The paper presents a comprenesive framework for e-learning design that consists of four interacting elements: learner(s), teacher(s), educational resources and computer technologies. They are factors for e-learning engineering that form an integrated system for e-learning analysis. This systematic view on e-learning design ensures the development of a framework for design evaluation.

Research paper thumbnail of Glass formation in the Se–Ge–Zn and GeSe3–ZnSe–Ag2Se systems

Research paper thumbnail of Encyclopedia of Business Analytics and Optimization

CITATION 1 READS 273 2 authors, including: Some of the authors of this publication are also worki... more CITATION 1 READS 273 2 authors, including: Some of the authors of this publication are also working on these related projects: Rational Portfolio Investment Based on Consumer's Preferences: Blak-Scholes Model and Stochastic

Research paper thumbnail of Kolmogorov–Chentsov Theorem and Differentiability of Random Fields on Manifolds

Potential Analysis, 2014

A version of the Kolmogorov-Chentsov theorem on sample differentiability and Hölder continuity of... more A version of the Kolmogorov-Chentsov theorem on sample differentiability and Hölder continuity of random fields on domains of cone type is proved, and the result is generalized to manifolds.

Research paper thumbnail of A Framework for E-learning Engineering

E-learning engineering concerns the design and implementation of e-learning systems. Their modeli... more E-learning engineering concerns the design and implementation of e-learning systems. Their modeling depends on existing frameworks for education determining educational forms that have to be computerized. The available computer technologies influnce computer-based realization of the represented educational forms. The used frameworks for education supporting e-learning design are not comprehensive, since they do not ensure consideration of all educational forms. The paper presents a comprenesive framework for e-learning design that consists of four interacting elements: learner(s), teacher(s), educational resources and computer technologies. They are factors for e-learning engineering that form an integrated system for e-learning analysis. This systematic view on e-learning design ensures the development of a framework for design evaluation.

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