Mathematical models for the conservation of monuments

The conservation of monuments is a terrible challenge for our Culture. It is a really interdisciplinary problem, and recently mathematicians joined other scientists, coming from other disciplines as Chemistry, Biology, Architecture, Conservation Sciences, in this difficult task. Some specific models have been proposed with a good experimental agreement.
In this talk, some of these models will be presented. A first example is the model for the growth of the gypsum crust on the surface of marble stones exposed to the aggression of sulfur dioxide. A second model is concerning the penetration in damaged stones of consolidants based on ethyl silicate. Finally, some recent models of the biodegradation by cyanobacteria. will be presented.