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Related papers: Remarks on the Cartan Formula and Its Applications

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In this text, we wish to provide the reader with a short guide to recent works on the theory of dilatations in Commutative Algebra and Algebraic Geometry. These works fall naturally into two categories: one emphasises foundational and…

Algebraic Geometry · Mathematics 2024-07-31 Adrien Dubouloz , Arnaud Mayeux , João Pedro dos Santos

Convenient parameterizations of matrices in terms of vectors transform (certain classes of) matrix equations into covariant (hence rotation-invariant) vector equations. Certain recently introduced such parameterizations are tersely…

Exactly Solvable and Integrable Systems · Physics 2009-11-10 M. Bruschi , F. Calogero

We present an explicit construction of a unitary representation of the commutator algebra satisfied by position and momentum operators on the Moyal plane.

High Energy Physics - Theory · Physics 2011-06-16 J. M. Isidro , P. Fernandez de Cordoba , J. M. Rivera-Rebolledo , J. L. G. Santander

We obtain formulas for the coefficients of positive and negative powers of a partial theta function.

Number Theory · Mathematics 2024-08-27 Johann Cigler

The classical quadratic formula and some of its lesser known variants for solving the quadratic equation are reviewed. Then, a new formula for the roots of a quadratic polynomial is presented.

History and Overview · Mathematics 2019-08-06 Norbert Hungerbühler

This short note deals with some applications of the Beta function

General Mathematics · Mathematics 2008-04-22 Donal F. Connon

We derive simple formulas connecting the generalized Wigner functions for $s$-ordering with the density matrix, and vice-versa. These formulas proved very useful for quantum mechanical applications, as, for example, for connecting master…

Quantum Physics · Physics 2016-09-08 G. M. D'Ariano , M. F. Sacchi

With the intent of laying the groundwork for a program that aims at explicitly describing the space of Cartan (i.e. multiplicative) connections on a general proper Lie groupoid, we begin to investigate the space of such connections in the…

Differential Geometry · Mathematics 2018-11-07 Giorgio Trentinaglia

A simple theory of the covariant derivatives, deformed derivatives and relative covariant derivatives of extensor fields is present using algebraic and analytical tools developed in previous papers. Several important formulas are derived.

Mathematical Physics · Physics 2007-05-23 V. V. Fernandez , A. M. Moya , E. Notte-Cuello , W. A. Rodrigues

In this paper, we introduce and share the new concept of $\mathcal{MT}(\lambda )$-functions and its some characterizations.

Functional Analysis · Mathematics 2015-06-11 Wei-Shih Du

We present a brief introduction to the theory of operator limits of random matrices to non-experts. Several open problems and conjectures are given. Connections to statistics, integrable systems, orthogonal polynomials, and more, are…

Probability · Mathematics 2018-08-31 Balint Virag

The classification of the representations of the generalized deformed oscillator algebra is given together with several comments about possibility of introducing a coproduct structure in some type of deformed oscillator algebra.

q-alg · Mathematics 2008-02-03 V. V. Borzov , E. V. Damaskinsky , S. B. Yegorov

In this note, we prove an existence result for generalized Kazdan-Warner equations on compact Riemannian manifolds by using the flow approach or the upper and lower solution method. In addition, we give a prior estimate for this type…

Analysis of PDEs · Mathematics 2023-07-11 Weike Yu

To study a noncompact Riemannian manifold, it is often useful to find a compactification. We discuss several common compactifications and survey some recent results.

Differential Geometry · Mathematics 2010-12-15 Xiaodong Wang

Commutator relations are used to investigate the spectra of Schr\"odinger Hamiltonians, $H = -\Delta + V({x}),$ acting on functions of a smooth, compact $d$-dimensional manifold $M$ immersed in $\bbr^{\nu}, \nu \geq d+1$. Here $\Delta$…

Spectral Theory · Mathematics 2007-05-23 Evans M. Harrell

In this paper, we revise the concept of noncommutative vector fields introduced previously in Ref. [1,2], extending the framework, adding new results and clarifying the old ones. Using appropriate algebraic tools certain shortcomings in the…

Mathematical Physics · Physics 2024-12-18 Andrzej Borowiec

The present article is devoted to the generalized Salem functions, the generailed shift operator, and certain related problems. A description of further investigations of the author of this article is given.These investigations (in terms of…

Classical Analysis and ODEs · Mathematics 2023-08-29 Symon Serbenyuk

The present paper deals with a generalization of the Baskakov operators. Some direct theorems, asymptotic formula and $A$-statistical convergence are established. Our results are based on a $\rho$ function. These results include the…

Classical Analysis and ODEs · Mathematics 2016-08-08 Prashantkumar Patel , Vishnu Narayan Mishra , Mediha Örkcü

A simple model of a relativistic open string with a point mass attached at one end is quantized. The normal modes are derived and used to construct expressions for the operator commutators. Light cone gauge is used to find the mass squared…

General Physics · Physics 2011-09-23 A. Lewis Licht

We sketch out a new geometric framework to construct Hamiltonian operators for generic, non-evolutionary partial differential equations. Examples on how the formalism works are provided for the KdV equation, Camassa-Holm equation, and…

Differential Geometry · Mathematics 2009-10-04 Paul Kersten , Iosif Krasil'shchik , Alexander Verbovetsky , Raffaele Vitolo