Results 31 to 40 of about 260,962 (154)

Investigation of dynamical systems using tools of the theory of invariants and projective geometry

open access: yes, 1997
The investigation of nonlinear dynamical systems of the type $\dot{x}=P(x,y,z),\dot{y}=Q(x,y,z),\dot{z}=R(x,y,z)$ by means of reduction to some ordinary differential equations of the second order in the form $y''+a_1(x,y)y'^3+3a_2(x,y)y'^2+3a_3(x,y)y ...
Bordag, L. A., Dryuma, V. S.
core   +1 more source

Supersymmetric Oscillator: Novel Symmetries

open access: yes, 2012
We discuss various continuous and discrete symmetries of the supersymmetric simple harmonic oscillator (SHO) in one (0 + 1)-dimension of spacetime and show their relevance in the context of mathematics of differential geometry. We show the existence of a
Dirac P. A. M.   +7 more
core   +1 more source

Distinguished graduates in mathematics of the Jagiellonian University in the interwar period. Part I: 1918-1926 [PDF]

open access: yes, 2015
In this study, we present profiles of some distinguished graduates in mathematics of the Jagiellonian University from the years 1918-1939. We discuss their professional paths and scholarly achievements, instances of scientific collaboration, connections ...
Domoradzki, Stanisław   +1 more
core   +1 more source

Coble and Eisenhart: Two Gettysburgians Who Led Mathematics

open access: yes, 2013
In 1895, there were 134 students at Gettysburg College, which was then called Pennsylvania College. Of these students, two of them went on to become president of the American Mathematical Society.
Glass, Darren B.
core   +1 more source

Reports on a Course for Prospective High School Mathematics Teachers [PDF]

open access: yes, 2000
The author describes his design for a course entitled Secondary School Mathematics from an Advanced Viewpoint.
Stone, D. A.
core   +1 more source

Axiomatic Differential Geometry Ⅱ-2: Differential Forms [PDF]

open access: yes, 2013
We refurbish our axiomatics of differential geometry introduced in [arXiv 1203.3911]. Then the notion of Euclideaness can naturally be formulated. The principal objective in this paper is to present an adaptation of our theory of differential forms ...
Nishimura Hirokazu, 西村 泰一
core  

Wheeled props in algebra, geometry and quantization [PDF]

open access: yes, 2010
These are expanded notes of author's talk at the ECM 2008 attempting to give an elementary introduction into the main ideas of the theory of wheeled props for beginners, and also a survey of its most recent major applications (ranging from algebra and ...
Merkulov, S. A.
core   +1 more source

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