Results 1 to 10 of about 1,900,626 (355)

Algebraic Integral Geometry [PDF]

open access: yes, 2014
61 pages, newly revised in June 2012.
openaire   +2 more sources

On a noncommutative algebraic geometry [PDF]

open access: yesBanach Center Publications, 2015
Several sets of quaternionic functions are described and studied with respect to hy-perholomorphy, addition and (non commutative) multiplication, on open sets of H, then Hamil-ton 4-manifolds analogous to Riemann surfaces, for H instead of C, are defined, and so begin to describe a class of four dimensional manifolds.
openaire   +3 more sources

Instantons and algebraic geometry [PDF]

open access: yesCommunications in Mathematical Physics, 1977
Minimum action solutions for SU(2) Yang-Mills fields in Euclidean 4-space correspond, via the Penrose twistor transform, to algebraic bundles on the complex projective 3-space. These bundles in turn correspond to algebraic curves. The implication of these results for the Yang-Mills fields is described.
Atiyah, M. F., Ward, R. S.
openaire   +3 more sources

Determination of the number of texture segments using wavelets

open access: yesElectronic Journal of Differential Equations, 2001
This paper presents a robust method of determining the number of texture segments in an image. We take an $N imes N$ image and decompose it into $n imes n$ blocks.
Joseph P. Havlicek, Peter C. Tay
doaj  

Noncommutative Geometry

open access: yes, 1997
Noncommutative Spaces It was noticed a long time ago that various properties of sets of points can be restated in terms of properties of certain commutative rings of functions over those sets.
Andrew Lesniewski
semanticscholar   +1 more source

The construction problem for Hodge numbers modulo an integer in positive characteristic—ERRATUM

open access: yesForum of Mathematics, Sigma, 2021
Remy van Dobben de Bruyn   +1 more
doaj   +1 more source

On the Representation of the Lattices of the Algebraic Sets of the Universal Algebras

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2019
The concept of an algebraic set is a basic concept of the classical algebraic geometry over fields. This concept, along with the concept of an algebraic lattice of algebraic sets is the basic concept of so-called algebraic geometry of universal algebras.
A.G. Pinus
doaj   +1 more source

Algebraic Structures in Extended Geometry [PDF]

open access: yesPhysics of Particles and Nuclei, 2018
Exceptional field theory (EFT) gives a geometric underpinning of the U-duality symmetries of M-theory. In this talk I give an overview of the surprisingly rich algebraic structures which naturally appear in the context of EFT. This includes Borcherds superalgebras, Cartan type superalgebras (tensor hierarchy algebras) and $L_\infty$ algebras.
openaire   +5 more sources

Quantum circuit dynamics via path integrals: Is there a classical action for discrete-time paths?

open access: yesNew Journal of Physics, 2017
It is straightforward to compute the transition amplitudes of a quantum circuit using the sum-over-paths methodology when the gates in the circuit are balanced, where a balanced gate is one for which all non-zero transition amplitudes are of equal ...
Mark D Penney   +2 more
doaj   +1 more source

THE ANALYSIS OF IMAGES IN N-POINT GRAVITATIONAL LENS BY METHODS OF ALGEBRAIC GEOMETRY

open access: yesActa Polytechnica, 2017
This paper is devoted to the study of images in N-point gravitational lenses by methods of algebraic geometry. In the beginning, we carefully define images in algebraic terms.
Albert Kotvytskiy   +2 more
doaj   +1 more source

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