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 Below you can access most of his published work, as well as some unpublished notes, including the primary ideas that led to the development of Life Itself I: Epistemology, and its intended sequel, Life Itself II: Ontology.
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The representation of biological systems from the standpoint of the theory of categories

A mathematical framework for general systems is developed using category theory, enabling the selection of unique canonical forms for various mathematical representations, including neural nets and finite automata, with potential applications in biological systems

Topics:

Category Theory
Biological Systems
Block Diagram
Mapping
Dated
Article
1958

The role of quantum theory in biology

Quantum biology extends beyond the computation of biological molecules, suggesting that alternative analytical modes inherent in quantum theory are crucial for understanding fundamental biological interactions

Topics:

Quantum
Biological Systems
Reductionism
Measurement
Emergence
Dated
Article
1974

Thinking, immanence, and the Cartesian cogito

Topics:

Immanence
Entailment
Realization
Adjectives
Undated
Typed/Handwritten
Undated

Turing's morphogens, two-factor systems and active transport

Turing's morphogenesis theory and Rashevsky's two-factor models are interconnected diffusion-reaction schemes that demonstrate how morphogenetic properties rely on apparent active transport

Topics:

Turing
Morphogenesis
Rashevsky
Reaction-Diffusion
Dated
Article
1968

Two-factor models, neural nets and biochemical automata

Recent models of macromolecular synthesis regulation and differentiation in cells can be mathematically described as networks of two-factor elements, analogous to McCulloch-Pitts neurons, leading to a precise definition of "molecular automaton" in these processes

Topics:

Automata
Neurons
Biochemistry
Excitation
Inhibition
Dated
Article
1967
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