3 papers
eess.SY2024
Observability of Linear Time-Invariant Systems with Relative Measurements: A Geometric Approach
Ioannis Raptis
This paper explores the observability and estimation capability of dynamical systems using predominantly relative measurements of the system's state-space variables, with minimal t…
physics.hist-ph2024
A Heuristic Philosophical Discourse on Various Applications of Abstract Differential Geometry in Quantum Gravity Research
Ioannis Raptis
In the present paper, we outline and expound the fundamental and novel qualitative-cum-philosophical premises, principles, ideas, concepts, constructions and results that originate…
math-ph2024
Multiplicatively Ordered and Directed Hybrid Jordan-Lie Superalgebra
Ioannis Raptis
A new algebra, hitherto not encountered in the usual Lie algebraic varieties or supervarieties, is introduced. The paper explores the rich and novel structure of the algebra, and i…