diff --git a/lecture2/Packages.tex b/lecture2/Packages.tex
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+++ b/lecture2/Packages.tex
@@ -0,0 +1,24 @@
+% Load Packages
+\usepackage[utf8]{inputenc}
+\usepackage{xcolor}
+\usepackage{tikz}
+\usetikzlibrary{positioning,calc}
+\usepackage{graphicx}
+\usepackage{hyperref}
+\usepackage{amsmath}
+\usepackage{listings}
+\usepackage{fontawesome}
+\usepackage[T2A]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage[russian]{babel}
+
+% Define Commands
+\newcommand*{\ClipSep}{0.06cm} %To adjust footer logo
+\newcommand{\E}{\mathrm{e}\,} %\def\I{e} % used to defined e for exp(x), see later what it should be
+\newcommand{\ud}{\mathrm{d}}
+\lstset{numbers=left, numberstyle=\tiny, stepnumber=1,firstnumber=1,breaklines=true,
+    numbersep=5pt,language=Python,
+    stringstyle=\ttfamily,
+    basicstyle=\footnotesize, 
+    showstringspaces=false
+}
diff --git a/lecture2/atomic.png b/lecture2/atomic.png
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diff --git a/lecture2/beamercolorthemeoxonian.sty b/lecture2/beamercolorthemeoxonian.sty
new file mode 100644
index 0000000..e910a59
--- /dev/null
+++ b/lecture2/beamercolorthemeoxonian.sty
@@ -0,0 +1,29 @@
+% Dictates which colours are used
+\ProvidesPackage{beamercolorthemeoxonian}
+
+\mode<presentation>
+% Define Colours
+\definecolor{oxfordblue}{RGB}{0,32,68}
+\definecolor{glassgrey}{rgb}{220,220,220}
+
+% Set Colours
+\setbeamercolor{title}{parent=oxfordblue}
+\setbeamercolor{title}{fg=oxfordblue}
+\setbeamercolor{subtitle}{parent=oxfordblue}
+\setbeamercolor{author}{parent=glassgrey}
+\setbeamercolor{date}{parent=oxfordblue}
+\setbeamercolor{institute}{parent=oxfordblue}
+
+\setbeamercolor{section title}{parent=oxfordblue}
+\setbeamercolor{subsection title}{parent=oxfordblue}
+\setbeamercolor{frametitle}{parent=oxfordblue}
+\setbeamercolor{background canvas}{parent=oxfordblue}
+\setbeamercolor{structure}{fg=oxfordblue}
+
+\setbeamercolor{normal text}{fg=black!97}
+
+\setbeamercolor{footnote}{fg=black!97}
+\setbeamercolor{page number in head/foot}{fg=oxfordblue}
+
+\mode
+<all>
diff --git a/lecture2/beamerfontthemeoxonian.sty b/lecture2/beamerfontthemeoxonian.sty
new file mode 100644
index 0000000..457d14a
--- /dev/null
+++ b/lecture2/beamerfontthemeoxonian.sty
@@ -0,0 +1,5 @@
+% Dictates which fonts/font attributes are used
+\ProvidesPackage{beamerfontthemeoxonian}
+
+\usefonttheme{serif}
+\setbeamerfont{institute}{size=\small}
diff --git a/lecture2/beamerinnerthemeoxonian.sty b/lecture2/beamerinnerthemeoxonian.sty
new file mode 100644
index 0000000..d697a87
--- /dev/null
+++ b/lecture2/beamerinnerthemeoxonian.sty
@@ -0,0 +1,86 @@
+% Specify how elements are typeset inside the frame
+\ProvidesPackage{beamerinnerthemeoxonian}
+
+% --- Title Page ---
+\makeatletter
+\setbeamertemplate{title page}
+{
+   \vbox{}
+   \vfill
+   \begin{centering}
+       \vskip0.25em%
+     \begin{beamercolorbox}[sep=8pt,center]{title}
+       \usebeamerfont{title}\inserttitle\par%
+       \ifx\insertsubtitle\@empty%
+       \else%
+         \vskip0.25em%
+         {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
+       \fi%     
+     \end{beamercolorbox}%
+    \vskip2.25em%
+     {\usebeamercolor[fg]{titlegraphic}\inserttitlegraphic\par}
+     \vskip1em\par
+     \begin{beamercolorbox}[sep=8pt,center]{author}
+       \usebeamerfont{author}\insertauthor
+     \end{beamercolorbox}
+      \vspace{-10pt}
+     \begin{beamercolorbox}[sep=8pt,center]{institute}
+       \usebeamerfont{institute}\insertinstitute
+     \end{beamercolorbox}
+     \begin{beamercolorbox}[sep=8pt,center]{date}
+       \usebeamerfont{date}\insertdate
+     \end{beamercolorbox}\vskip0.5em
+   \end{centering}
+   \vfill
+}
+\makeatother
+
+% --- Footer ---
+%Remove Navigation Bars
+\setbeamertemplate{footline}[frame number]{}
+% And Symbols
+\setbeamertemplate{navigation symbols}{}
+% Design
+\setbeamertemplate{footline}{
+\begin{tikzpicture}[remember picture,overlay]
+    \coordinate (West) at (0,0.5);
+    \coordinate (East) at (\textwidth,0.5);
+
+    \draw[oxfordblue, very thick] (West) -- (East);
+    
+%    \node [inner sep=0pt,clip,rounded corners=0.1cm] (oxlogo) at (0.85\textwidth,0.5);
+
+% {\includegraphics[width=.16\textwidth]{../Theme/Logos/OxfordLogoV3.png}};
+
+\end{tikzpicture}}
+
+% --- Header ---
+\setbeamertemplate{frametitle}{
+
+    \begin{beamercolorbox}[wd=\paperwidth,ht=2.75ex,dp=1.375ex]{frametitle}
+        \hspace*{2ex}\insertframetitle \hfill {\small\insertframenumber} \hspace*{1ex}
+    \end{beamercolorbox}
+    
+    \par
+    
+    \begin{tikzpicture}[remember picture,overlay]
+    
+    \coordinate (LeftEnd) at (-1, 0.5);
+    \coordinate (LeftEndUnder) at (-1, 0.1);
+    \coordinate (RightEnd) at (3,0.5);
+    \draw[oxfordblue, thick, fill=oxfordblue] (LeftEnd)--(RightEnd)--(LeftEndUnder) -- (LeftEnd);
+
+    \coordinate (RightEnd) at (\paperwidth, 0.1);
+    \coordinate (PreRightEnd) at (10, 0.1);
+    \draw[oxfordblue,thick] (RightEnd) -- (PreRightEnd);
+    
+    \end{tikzpicture}
+
+    
+}
+
+% --- Table of Content ---
+% Might modify later (next version)
+
+% --- Sidebar of Content ---
+% Might add later (next version)
diff --git a/lecture2/beamerouterthemeoxonian.sty b/lecture2/beamerouterthemeoxonian.sty
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index 0000000..ab52702
--- /dev/null
+++ b/lecture2/beamerouterthemeoxonian.sty
@@ -0,0 +1,16 @@
+% Specify the outside/border (ex. logo, navigation, sidebar)
+\ProvidesPackage{beamerouterthemeoxonian}
+
+% If you want Section Page to be automatically generated
+% \AtBeginSection[]{
+%   \begin{frame}[plain]
+%   \vfill
+%   \centering
+%   \begin{beamercolorbox}[sep=8pt,center,shadow=true,rounded=true]{title}
+%     \usebeamerfont{title}\insertsectionhead\par%
+%     \color{oxfordblue}\noindent\rule{10cm}{1pt} \\
+%     \LARGE{\faFileCodeO}
+%   \end{beamercolorbox}
+%   \vfill
+%   \end{frame}
+% }
diff --git a/lecture2/beamerthemeoxonian.sty b/lecture2/beamerthemeoxonian.sty
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index 0000000..f01cf60
--- /dev/null
+++ b/lecture2/beamerthemeoxonian.sty
@@ -0,0 +1,16 @@
+% Copyright 2019 Clara Eleonore Pavillet
+
+% Author: Clara Eleonore Pavillet
+% Description: This is an unofficial Oxford University Beamer Template I made from scratch. Feel free to use it, modify it, share it.
+% Version: 1.0
+
+\ProvidesPackage{beamerthemeoxonian}
+\mode<presentation>
+ 
+\usefonttheme{oxonian}
+\usecolortheme{oxonian}
+\useinnertheme{oxonian}
+\useoutertheme{oxonian}
+ 
+\mode
+<all>
diff --git a/lecture2/compilaton-process.png b/lecture2/compilaton-process.png
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diff --git a/lecture2/openmp-standards.png b/lecture2/openmp-standards.png
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diff --git a/lecture2/openmp.pdf b/lecture2/openmp.pdf
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diff --git a/lecture2/openmp.tex b/lecture2/openmp.tex
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--- /dev/null
+++ b/lecture2/openmp.tex
@@ -0,0 +1,289 @@
+% Copyright 2019 Clara Eleonore Pavillet
+
+% Author: Clara Eleonore Pavillet
+% Description: This is an unofficial Oxford University Beamer Template I made from scratch. Feel free to use it, modify it, share it.
+% Version: 1.0
+
+\documentclass{beamer}
+\usepackage{pdfpages}
+\input{Packages.tex}
+\usetheme{oxonian}
+\usepackage{wrapfig}
+\usepackage{listings}
+
+\title{Въведение в OpenMP.}
+\subtitle{\textit{Курс „Паралелно програмиране“}}
+\titlegraphic{{\includegraphics[width=5.3cm]{iaps.png}}} 
+
+\author{\newline \newline Стоян Мишев}
+
+\vspace{1cm}
+
+\date{} %\today
+
+\begin{document}
+\lstset{language=Python}
+{\setbeamertemplate{footline}{} 
+\frame{\titlepage}}
+
+
+\section*{План}\begin{frame}{План}\tableofcontents\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}{Определение на OpenMP}
+
+  \url{https://www.openmp.org/}
+  
+  \textbf{Стандарт} за писане на програми за създаване и управление на нишки. \pause
+
+  Има варианти за С, С++, Фортран и др. \pause
+
+  \textbf{Нишка} е част от програма, която има достъп до \textit{собствена} част от паметта, както и до общи ресурси за компютъра - памет, външни устройства, мрежа и т.н. \pause
+
+  Лекцията е на основата на клипа \url{https://www.youtube.com/watch?v=IsBgW7-yldA}
+  
+\end{frame}
+
+
+\begin{frame}{Версии на OpenMP}
+  \includegraphics[width=\textwidth]{openmp-standards.png}
+\end{frame}
+
+\begin{frame}{Версии на OpenMP}
+  \includegraphics[width=\textwidth]{openmp-variants.png}
+\end{frame}
+
+\begin{frame}{Създаване и \textit{обединяване} на нишки}
+  \includegraphics[width=\textwidth]{fork-join.png}
+\end{frame}
+
+\begin{frame}[fragile]{Създаване на нишки}
+  
+    \includegraphics[width=0.8\textwidth]{master-thread}
+    \begin{lstlisting}
+      #pragma omp parallel{
+        printf("hi from %d\n", omp_get_num_thread());
+
+        #pragma omp master{
+          printf("This shows once \n");
+        }
+
+      }
+    \end{lstlisting}
+\end{frame}
+
+\begin{frame}{Хардуерни възможности и софтуерна абстракция}
+  \includegraphics[width=\textwidth]{soft-hard}
+\end{frame}
+
+\begin{frame}[plain]{Хардуерни възможности и софтуерна абстракция}
+  \includegraphics[width=\textwidth]{soft-hard1}
+\end{frame}
+
+\begin{frame}{Една и много нишки}
+  \centering
+  \includegraphics[width=0.2\textwidth]{single-thread}  \pause
+
+  \includegraphics[width=0.6\textwidth]{multi-thread.png}  
+
+\end{frame}
+
+
+\begin{frame}{Shared}
+  \includegraphics[width=\textwidth]{shared}    
+\end{frame}
+
+
+\begin{frame}[fragile]{Shared}
+\lstset{language=C++}
+  \begin{lstlisting}
+#include <stdio.h>
+#include <omp.h>
+
+
+int main() {
+    int i = 0;
+
+    #pragma omp parallel shared(i) num_threads(10000)
+    {
+        i++;
+    }
+
+    printf("i = %d\n",i);
+    return 0;
+}    
+  \end{lstlisting}
+\end{frame}
+
+\begin{frame}{Atomic}
+  \includegraphics[width=\textwidth]{atomic}  
+\end{frame}
+
+\begin{frame}[fragile]{Atomic}
+\lstset{language=C++}
+  \begin{lstlisting}
+#include <stdio.h>
+#include <omp.h>
+
+
+int main() {
+    int i = 0;
+
+    #pragma omp parallel shared(i) num_threads(10000)
+    {
+        #pragma omp atomic
+        i++;
+    }
+
+    printf("i = %d\n",i);
+    return 0;
+}
+  \end{lstlisting}
+\end{frame}
+
+\begin{frame}{Private}
+  \includegraphics[width=\textwidth]{private}
+\end{frame}
+
+\begin{frame}[fragile]{Private}
+\lstset{language=C++}
+\begin{lstlisting}
+#include <stdio.h>
+#include <stdlib.h>
+#include <omp.h>
+
+
+int main() {
+    int i = 999;
+
+    printf("i is %d before parallel region\n",i);
+
+    #pragma omp parallel private(i) num_threads(10)
+    {
+        printf("Thread %d sees %d on memory %lx\n", omp_get_thread_num(), i, (unsigned long)&i);
+    }
+
+    return 0;
+}
+  \end{lstlisting}
+\end{frame}
+
+\begin{frame}{Firstprivate}
+  \includegraphics[width=\textwidth]{firstprivate}
+\end{frame}
+
+\begin{frame}[fragile]{Firstprivate}
+\lstset{language=C++}
+\begin{lstlisting}
+#include <stdio.h>
+#include <stdlib.h>
+#include <omp.h>
+
+
+int main() {
+    int i[3] = {999,888,666};
+
+    printf("i is [%d,%d,%d] before parallel region\n",i[0],i[1],i[2]);
+
+    #pragma omp parallel firstprivate(i) num_threads(10)
+    {
+        printf("Thread %d sees [%d,%d,%d] on memory %lx\n", omp_get_thread_num(), i[0],i[1],i[2], (unsigned long)i);
+    }
+
+    return 0;
+}
+  \end{lstlisting}
+\end{frame}
+
+
+\begin{frame}[fragile]{Reduction}
+  \includegraphics[width=\textwidth]{reduction}
+\end{frame}
+
+\begin{frame}[fragile]{Reduction}
+\lstset{language=C++}
+\begin{lstlisting}
+#include <stdio.h>
+#include <omp.h>
+
+
+int main() {
+    int i = 99;
+
+    printf("Value if i prior to parallel region is %d\n",i);
+
+    // Private values are not transferred back
+    #pragma omp parallel private(i)
+    {
+        i=1000;
+    }
+    printf("Value if i after parallel region with private(i) is %d\n",i);
+
+    i = 0;
+    // Reductions for addition.
+    #pragma omp parallel reduction(+:i) num_threads(10)
+    {
+        i=1;
+    }
+    printf("Value if i after parallel region with reduction(+:i) is %d\n",i);
+
+    // Reductions for max.
+    #pragma omp parallel reduction(max:i) num_threads(20)
+    {
+        i=omp_get_thread_num();
+    }
+    printf("Value if i after parallel region with reduction(max:i) is %d\n",i);
+
+    return 0;
+}
+  \end{lstlisting}
+\end{frame}
+
+\begin{frame}[fragile]{Домашна работа}
+  1. Прегледайте видеото на \url{https://www.youtube.com/watch?v=IsBgW7-yldA}.
+
+  2. Компилирайте ``сорс''-овете от
+  \url{https://github.com/josemonsalve2/openmp_tutorial/blob/main/Labs/Lab1/C}
+  на \verb+neutronstar.iaps.institute+ или другаде.
+\end{frame}
+
+
+\begin{frame}{Реализация на OpenMP в различните компилатори}
+  \url{https://www.openmp.org/resources/openmp-compilers-tools/}
+\end{frame}
+
+
+\begin{frame}{Синтаксис. Понятия.}
+  \includegraphics[width=\textwidth]{terms-pragma}
+\end{frame}
+
+\begin{frame}{Компилиране}
+  \includegraphics[width=\textwidth]{compilaton-process.png}
+\end{frame}
+
+\begin{frame}[fragile]{Function outlining}
+  \lstset{language=C++}
+\begin{lstlisting}
+  #pragma omp parallel{
+    printf("hello world\n");
+  }
+\end{lstlisting}
+
+\begin{lstlisting}
+  void outlined_function(void* params)
+  {
+    printf("hello world\n");
+  }
+
+  __runtime_omp_parallel(outlined_function, params);
+\end{lstlisting}
+
+\end{frame}
+
+\end{document}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: t
+%%% End:
diff --git a/lecture2/openmp.tex~ b/lecture2/openmp.tex~
new file mode 100644
index 0000000..7c2c439
--- /dev/null
+++ b/lecture2/openmp.tex~
@@ -0,0 +1,45 @@
+% Copyright 2019 Clara Eleonore Pavillet
+
+% Author: Clara Eleonore Pavillet
+% Description: This is an unofficial Oxford University Beamer Template I made from scratch. Feel free to use it, modify it, share it.
+% Version: 1.0
+
+\documentclass{beamer}
+\usepackage{pdfpages}
+\input{Packages.tex}
+\usetheme{oxonian}
+\usepackage{wrapfig}
+\usepackage{listings}
+
+\title{Въведение в паралелните изчисления}
+\subtitle{\textit{Курс „Паралелни изчисления“}}
+\titlegraphic{{\includegraphics[width=5.3cm]{iaps.png}}} 
+
+\author{\newline \newline Стоян Мишев}
+
+\vspace{1cm}
+
+%\institute{\url{https://facebook.com/nbudatascience}}
+
+\date{} %\today
+
+\begin{document}
+\lstset{language=Python}
+{\setbeamertemplate{footline}{} 
+\frame{\titlepage}}
+
+
+\section*{План}\begin{frame}{План}\tableofcontents\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}{}
+
+\end{frame}
+
+\end{document}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: t
+%%% End:
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