Groupoid representations for sheaves on orbifolds / Dorothea Ariëtte PronkSheaf theory / T. A. SpringerModuli spaces of stable sheaves on abelian surfaces / Martijn DekkerSheaves, games and model completions : a categorial approach to nonclassical propositional logics / Silvio Ghilardi, Marek ZawadowskiIntuitionistic algebra : theory and sheaf models / door Willem Bastiaan Gijsbertus Ruitenburg