Hellenic Military Academy

About: Hellenic Military Academy is a education organization based out in Voula, Greece. It is known for research contribution in the topics: Complex space & Jacobi operator. The organization has 36 authors who have published 97 publications receiving 541 citations.

Evaluating UAV Impact in the Tactical Context of a Mechanized Infantry Scout Platoon Through Military Simulation Software

Abstract: Military simulation has been established as a computational and scientific tool for assessing the performance in combat of equipment, ranging from land mines to aircraft, and the suitability of tactics, ranging from platoon to division level. To this end, specialized software has been developed, replacing the traditional Prussian dice-throwing, turn-based war games. JANUS is such a suite, allowing human-in-the-loop simulations from squadron to battalion scale based on realistic combat models based on historical conflict data. This paper presents the initial results of a recent large scale campaign of experiments aimed to assess the effects of incorporating a UAV to a typical Hellenic mechanized infantry scout platoon. To the authors best knowledge, this is the first campaign of experiments undertaken by the Hellenic Military Academy. Therefore, there have been key contributions in a number of levels. On the software side, there are the development of a realistic mechanized infantry platoon advance scenario for JANUS, the creation and insertion of an appropriate UAV to JANUS unit database, the assessment of JANUS strengths and limitations for simulations of this scale, and the software development for parsing JANUS voluminous output report text files. From a mathematical perspective, there is the statistical analysis and interpretation of simulation results. Finally, there is the experimental aspect, where heavy emphasis has been placed on selecting the experiment independent, dependent, and control variables. Of equal importance was the skill level evaluation of the class III Cadets which have been volunteered as JANUS operators as well as their subsequent training. Ultimately, the software, mathematical, and experimentation aspects combined yield a framework for conducting large-scale defense experiments. As for the simulation per se, results indicate a considerable advantage to UAV possession as a reconnaissance asset, as scout platoons equipped with a UAV were able on average to fire more rounds over longer distances and inflict more losses to enemy forces. Ultimately, these factors enabled friendly units to accomplish their objectives.

Hopf Hypersurfaces in pseudo-Riemannian complex and para-complex space forms

Abstract: The study of real hypersurfaces in pseudo-Riemannian complex space forms and para-complex space forms, which are the pseudo-Riemannian generalizations of the complex space forms, is addressed. It is proved that there are no umbilic hypersurfaces, nor real hypersurfaces with parallel shape operator in such spaces. Denoting by $J$ be the complex or para-complex structure of a pseudo-complex or para-complex space form respectively, a non-degenerate hypersurface of such space with unit normal vector field $N$ is said to be \em Hopf \em if the tangent vector field $JN$ is a principal direction. It is proved that if a hypersurface is Hopf, then the corresponding principal curvature (the \em Hopf \em curvature) is constant. It is also observed that in some cases a Hopf hypersurface must be, locally, a tube over a complex (or para-complex) submanifold, thus generalizing previous results of Cecil, Ryan and Montiel.

Bibliometrics EEG Metrics Associations and Connections Between Military Medicine and the Differentiate Post Traumatic Stress Disorder (PTSD)

Abstract: In this paper we investigate the bibliometric association and connection between Electroencephalography (EEG) metrics of human brain and connections between military medicine and the post traumatic stress disorder (PTSD). In EEG metrics included various metrics used from scientists in order to map the brain activity. Inrecent years there has been an increasingly amount of data connect EEG metrics with PTSD and military medicine. Due to breakthroughs in biology and bioinformatics, more and more data are stored in various large databases as biomedical databases. In recent years, biomedical information has become the center of research, and its data volume has continued to grow. Therefore, obtaining effective information from scientists has become increasingly challenging. As a new scientific field of bioinformatics, new tools and applications are needed to extract important scientific data based on experimental results and information provided by papers and journals. In this paper we are going to investigate methods based in acustom made IT system, more specifically a programmable in Python toolin order to find connections between the differentiate post traumatic stress disorder and the brain operation and signaling. This IT system could become a useful tool against the struggle of scientists and medicalprofessionalsin the near future.

Non Lanchestrian stochastic processes in war analysis – Part II: the renewal process of Combat’s losses

Abstract: This paper investigates the set of intermediate times between successive Combat’s losses. After giving basic definitions and properties on the expected number of losses in a closed time interval, we present renewal theorems, as well as a description of exact and asymptotic probability distributions for the main time moments of losses. Further, we outline a model for substituting fighting units and we study stationary renewal processes of Combat’s losses. The paper concludes with asymptotic properties for the counting function of losses.

Numerical Solution of the Defence Force Optimal Positioning Problem

Abstract: In this paper we study the positioning of defender forces in order to handle in an efficient way the forces of the attacker The scope is to determine the minimum amplitude of territories which the invader will occupy The defender’s forces should swoop rapidly to any point of the defence locus in order to protect their territories The selection of the “optimal” position in which the defender’s forces should be placed is a difficult problem and it aims at the minimization of enemy’s penetration The minimization methods result to non-linear equations and there are many classical numerical algorithms for solving such equations The most known one is Newton’s method Since the selection of a suitable initial point is not a trivial task, we will study the behaviour of these numerical procedures for various initial points and small perturbations of the data in order to present stable procedures which compute efficiently the solution of non-linear equations, leading to the optimal selection of the position, on which the forces of the defender should be placed All the proposed methods are tested for various sets of data and useful conclusions arise The algorithms are compared as to the computational complexity and stability through error analysis yielding useful results