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\begin{document}
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\begin{center}

  \huge{The Department of Mathematics}\\[0.1\baselineskip]
  \Large{2025--26--B term}\\[0.2\baselineskip]

\end{center}

\begin{description}
  \item[Course Name]
    Models and Equations: Mathematics and the Natural Sciences

  \item[Course Number]
    \LRE{201‭.2‭.7081}

  \item[Course web page]\mbox{}\\
    \url{https://math.bgu.ac.il//en/teaching/spring2026/courses/models-equations}

  \item[Lecturer]
    Prof. Boris Zaltzman,
    \nolinkurl{<boris@bgu.ac.il>},
    Office 115

\item[Office Hours]
  \url{https://math.bgu.ac.il/en/teaching/hours}
\end{description}

\section*{Abstract}




\section*{Requirements and grading\footnote{Information may change during the first two weeks of the term. Please consult the webpage for updates}}






\section*{Course topics}

 he course is intended to introduce the students to the field of applied mathematics. It is concerned with the construction, analysis, and interpretation of mathematical models that shed light on significant problems in the natural sciences. It is aimed to provide material of interest to students in mathematics, science, and engineering at the upper undergraduate and graduate level. Nature of applied mathematics. Deterministic systems and Ordinary Differential equations (ODEs). Poincare perturbation theory. Random processes and Partial Differential equations (PDEs). Heat Flow and Fourier Analysis. Advanced Fourier Analysis and Fourier Transform. Fundamental applied mathematics procedures illustrated on ODEs. Introduction to theories of continuous fields: motion of a bar, the continuous medium, field equations of continuum mechanics, inviscid fluid flow, elements of potential theory.

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