Robert Rosen wrote extensively about many scientific subjects, with a research stream that always circled back to the essential question of 'What is life?' Below you can access most of his published work, as well as some unpublished notes, including the primary ideas that led to the development of Life Itself I: Epistemology, and its intended sequel, Life Itself II: Ontology.
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On anticipatory systems- II The nature of the modelling relation between systems

The text discusses the concept of a modeling relation between systems through equations of state, illustrating its predictive use and formalizing it within category theory using commutative diagrams to express conjugacy relations

Topics:

Modelling
Category Theory
Anticipatory Systems
Dynamical Systems
Dated
Article
1978

On anticipatory systems- I When can a system contain a predictive model of another?

Anticipatory systems, which use predictive models to inform present actions, are crucial for understanding behavior and forecasting technology, yet lack a formal theory due to their challenge to traditional causality concepts

Topics:

Anticipatory Systems
Causality
Modelling
Simulation
Dated
Article
1978

On a unified approach to pattern generation

A discussion of the diverse biological contexts of pattern generation, highlighting the lack of a unified theory and proposing a novel mathematical approach through the concept of fiber spaces to better understand abstract patterns

Topics:

Patterns
Stability
Fibers
Morphogenesis
Dated
Commentary
1981

On complex systems

The distinction between simple and complex systems is fundamentally qualitative, with complex systems lacking a maximal mathematical description, posing significant challenges for theoretical science, particularly in physics and biology

Topics:

Complexity
Dynamical Systems
Epistemology
Mechanisms
Machines
Dated
Article
1987

On control and optimal control in biodynamic systems

In control systems with fewer independent controls than degrees of freedom, the resulting constraints have significant implications for biological adaptation, aging, polypeptide structure, and the optimality of biodynamic systems

Topics:

Control
Dynamical Systems
Senescence
Protein Folding
Dated
Article
1980
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