Results 41 to 50 of about 727,816 (287)
Complex reflection groups and K3 surfaces I [PDF]
Épijournal de Géométrie Algébrique, 2021 We construct here many families of K3 surfaces that one can obtain as quotients of algebraic surfaces by some subgroups of the rank four complex reflection groups. We find in total 15 families with at worst $ADE$--singularities. In particular we classify
Cédric Bonnafé, Alessandra Sarti
doaj +1 more source
An Algebraic Approach to Identifiability
Algorithms, 2021 This paper addresses the problem of identifiability of nonlinear polynomial state-space systems. Such systems have already been studied via the input-output equations, a description that, in general, requires differential algebra.
Daniel Gerbet, Klaus Röbenack
doaj +1 more source
Steady state detection of chemical reaction networks using a simplified analytical method. [PDF]
PLoS ONE, 2010 Chemical reaction networks (CRNs) are susceptible to mathematical modelling. The dynamic behavior of CRNs can be investigated by solving the polynomial equations derived from its structure. However, simple CRN give rise to non-linear polynomials that are
Ivan Martínez-Forero +2 more
doaj +1 more source
Detection of Daily Precipitation Structure in Shiraz Synoptic Station [PDF]
نشریه جغرافیا و برنامهریزی, 2020 Introduction Recently, issues raised by changes in precipitation, especially problems brought about by floods and droughts, along with the environmental effects of diminished rainfall, have underscored the importance of precipitation studies at different
mahdi narangifard +3 more
doaj +1 more source
Applied Sciences, 2022 In this study, the authors simulate a polygonal discrete fracture network (DFN) in rock masses. The probability models of the relevant geological parameters, including the orientation, trace length, volume density, and coordinates of the centroid, are ...
Ang Li +4 more
doaj +1 more source
Arithmetic of Calabi-Yau Varieties and Rational Conformal Field Theory [PDF]
, 2001 It is proposed that certain techniques from arithmetic algebraic geometry provide a framework which is useful to formulate a direct and intrinsic link between the geometry of Calabi-Yau manifolds and the underlying conformal field theory. Specifically it
Candelas +16 more
core +2 more sources
Domain Decomposition With Non-Conforming Polyhedral Grids
IEEE Access, 2021 A novel mortar approach for the domain decomposition of field problems discretized in terms of nodal variables by the cell method is here proposed.
Federico Moro, Lorenzo Codecasa
doaj +1 more source
SQCD: A Geometric Apercu [PDF]
, 2008 We take new algebraic and geometric perspectives on the old subject of SQCD. We count chiral gauge invariant operators using generating functions, or Hilbert series, derived from the plethystic programme and the Molien-Weyl formula.
A. Butti +34 more
core +2 more sources
Modelling, simulation and geometric optimization of cross flow recuperative heat exchanger based on controllability condition number [PDF]
Tehnika, 2017 This paper presents the algebraic mathematical model of cross - flow heat exchanger derived on the basis of transport approach. Theirs operation in the face of variable loads is usually controlled by manipulating inlet fluid temperatures or mass flow ...
Stević Dalibor +2 more
doaj +1 more source
Chiral topological insulator on Nambu 3-algebraic geometry
Nuclear Physics B, 2014 Chiral topological insulator (AIII-class) with Landau levels is constructed based on the Nambu 3-algebraic geometry. We clarify the geometric origin of the chiral symmetry of the AIII-class topological insulator in the context of non-commutative geometry
Kazuki Hasebe
doaj +1 more source