Materials-Collection.md

+There is a very wide range of topics, algorithms and techniques used in the context of CORSIKA. Here we collect the relevant references. 
+
+
+# Particle tracking
+
+For CORSIKA8 we need to develop a geometry description and robust algorithms to track particle trajectories within. There is a thesis about this:
+[fdm1391.pdf](uploads/e96ef85143378fe16b3298a9196f4f47/fdm1391.pdf)
+
+In particular interesting are the numerical and logical issues of particle tracking over volume boundaries, see Chapter 3. 
+
+# Thinning
+
+# Hadron interactions
+
+# Electron-gamma cascades
+
+# Decay routines
+
+# C++
+
+# python