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States and Transformations

This theory explores the domain of discourse in software systems engineering, predicting properties of artifacts through concise and understandable formulations. It describes computations, transformations of state, and processes that shape software programs. By examining bulk properties and factors influencing trajectories, it refines our understanding of software artifacts. Drawing upon various mathematical and logical frameworks like Unity, DisCo, TLA, and Petri Nets, this theory provides a foundation for predicting and enhancing software properties.

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States and Transformations

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  1. States and Transformations for Software Engineering Theory Hannu-Matti Järvinen and Mikko Tiusanen, TUT/Software Systems

  2. Engineering theory • Anytheorylimits the domain of discourse. • Conciselyformulated(?). • Understandable. • Neednotbe ”final”. • Applicable at various ”resolutions”: refinable! • Predicts properties of artefacts! Hannu-Matti Järvinen and Mikko Tiusanen TUT/Software Systems

  3. SE artefacts • Computations: transformations of state. • Descriptions of computations (= programs). • Descriptions of programs. • Transformations of programs: SE processes. • Computations or descriptions of such; processes that transform a state; apply recursively. Hannu-Matti Järvinen and Mikko Tiusanen TUT/Software Systems

  4. States and tranformations • Can describe SE artefacts. • Already have lots of theory, in various guises. • What are the ”bulk” properties of interest in the artefacts? • What are the ”fields and potentials” that affect the computations (trajectories)? Hannu-Matti Järvinen and Mikko Tiusanen TUT/Software Systems

  5. Language Mathematics and logic: ”A poor thing but mine own.” (E.G. O’Neill) UNITY, DisCo, TLA, Petri Nets, … Refinement! Prediction of properties? Hannu-Matti Järvinen and Mikko Tiusanen TUT/Software Systems

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