| Hits ?▲ |
Authors |
Title |
Venue |
Year |
Link |
Author keywords |
| 3 | C. Budd, Othmar Koch, Ewa Weinmüller |
Computation of Self-similar Solution Profiles for the Nonlinear Schrödinger Equation.  |
Computing  |
2006 |
DBLP DOI BibTeX RDF |
Nonlinear Schrödinger equation, blow-up solutions, essential singularity, self-similarity, error estimation, collocation methods |
| 3 | Biao Li, Yong Chen, Qi Wang |
Exact analytical solutions to the nonlinear Schrödinger equation model.  |
ISSAC  |
2005 |
DBLP DOI BibTeX RDF |
nonlinear Schrödinger equation, soliton propagation and interaction, symbolic computation, soliton |
| 2 | E. V. Zemlyanaya, I. V. Barashenkov, N. V. Alexeeva |
Temporally-Periodic Solitons of the Parametrically Driven Damped Nonlinear Schrödinger Equation.  |
NAA  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Weizhu Bao, Yongyong Cai |
Uniform Error Estimates of Finite Difference Methods for the Nonlinear Schrödinger Equation with Wave Operator.  |
SIAM J. Numerical Analysis  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | Yiqiang Xu, Luming Zhang |
Alternating direction implicit method for solving two-dimensional cubic nonlinear Schrödinger equation.  |
Computer Physics Communications  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | Aly R. Seadawy |
Exact solutions of a two-dimensional nonlinear Schrödinger equation.  |
Appl. Math. Lett.  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | John D. Carter |
Plane-wave solutions of a dissipative generalization of the vector nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | Houria Triki, Thiab R. Taha |
Solitary wave solutions for a higher order nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | Ronald M. Caplan, Ricardo Carretero-González, Panayotis G. Kevrekidis, Boris A. Malomed |
Existence, stability, and scattering of bright vortices in the cubic-quintic nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | Panos Stinis |
Numerical Computation of Solutions of the Critical Nonlinear Schrödinger Equation after the Singularity.  |
Multiscale Modeling & Simulation  |
2012 |
DBLP DOI BibTeX RDF |
|
| 1 | L. Kavitha, N. Akila, A. Prabhu, O. Kuzmanovska-Barandovska, D. Gopi |
Exact solitary solutions of an inhomogeneous modified nonlinear Schrödinger equation with competing nonlinearities.  |
Mathematical and Computer Modelling  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Huajun Zhu, Songhe Song, Yifa Tang |
Multi-symplectic wavelet collocation method for the nonlinear Schrödinger equation and the Camassa-Holm equation.  |
Computer Physics Communications  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Moussa Smadi, Derradji Bahloul |
A compact split step Padé scheme for higher-order nonlinear Schrödinger equation (HNLS) with power law nonlinearity and fourth order dispersion.  |
Computer Physics Communications  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | S. Demirbas, A. Eden |
Further scattering results for almost cubic nonlinear Schrödinger equation.  |
Appl. Math. Lett.  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Shanshan Wang, Luming Zhang, Ran Fan |
Discrete-time orthogonal spline collocation methods for the nonlinear Schrödinger equation with wave operator.  |
J. Computational Applied Mathematics  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Nikolai A. Kudryashov, Pavel N. Ryabov, Dmitry I. Sinelshchikov |
Comment on "New types of exact solutions for nonlinear Schrodinger equation with cubic nonlinearity".  |
J. Computational Applied Mathematics  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | A. Aydin, B. Karasözen |
Lobatto IIIA-IIIB discretization of the strongly coupled nonlinear Schrödinger equation.  |
J. Computational Applied Mathematics  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | K. W. Chow, T. W. Ng |
Periodic solutions of a derivative nonlinear Schrödinger equation: Elliptic integrals of the third kind.  |
J. Computational Applied Mathematics  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Abdelhalim Ebaid, S. M. Khaled |
New types of exact solutions for nonlinear Schrödinger equation with cubic nonlinearity.  |
J. Computational Applied Mathematics  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Ronald M. Caplan, Ricardo Carretero-González |
Numerical Stability of Explicit Runge-Kutta Finite Difference Schemes for the Nonlinear Schrödinger Equation  |
CoRR  |
2011 |
DBLP BibTeX RDF |
|
| 1 | Jun-Lang Chen, Chao-Qing Dai, Xiao-Gang Wang |
Domain wall arrays, fronts, and bright and dark solitons in a generalized derivative nonlinear Schrödinger equation.  |
Computers & Mathematics with Applications  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Yang Liu |
Exact solutions to nonlinear Schrödinger equation with variable coefficients.  |
Applied Mathematics and Computation  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | E. M. E. Zayed, M. A. M. Abdelaziz |
Exact solutions for the nonlinear Schrödinger equation with variable coefficients using the generalized extended tanh-function, the sine-cosine and the exp-function methods.  |
Applied Mathematics and Computation  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Emna Ezzoug, Wided Kechiche, Ezzeddine Zahrouni |
Finite dimensional global attractor for a semi-discrete nonlinear Schrödinger equation with a point defect.  |
Applied Mathematics and Computation  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Gui-Qiong Xu |
New types of exact solutions for the fourth-order dispersive cubic-quintic nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Elena Zemlyanaya, Nora Alexeeva |
Numerical Study of Stationary, Time-Periodic, and Quasiperiodic Two-Soliton Complexes in the Damped-Driven Nonlinear Schrödinger Equation.  |
MMCP  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Camille Laurent |
Global Controllability and Stabilization for the Nonlinear Schrödinger Equation on Some Compact Manifolds of Dimension 3.  |
SIAM J. Math. Analysis  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | D. Chiron, F. Rousset |
The KdV/KP-I Limit of the Nonlinear Schrödinger Equation.  |
SIAM J. Math. Analysis  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | G. Baruch, Gadi Fibich, E. Mandelbaum |
Singular Solutions of the Biharmonic Nonlinear Schrödinger Equation.  |
SIAM Journal of Applied Mathematics  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Yaming Chen, Huajun Zhu, Songhe Song |
Multi-symplectic splitting method for the coupled nonlinear Schrödinger equation.  |
Computer Physics Communications  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Taras I. Lakoba |
Stability analysis of the split-step Fourier method on the background of a soliton of the nonlinear Schrödinger equation  |
CoRR  |
2010 |
DBLP BibTeX RDF |
|
| 1 | Jinbo Bi, Dengyuan Chen |
Soliton solutions of higher-order generalized derivative nonlinear Schrödinger equation.  |
Computers & Mathematics with Applications  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | A. R. Shehata |
The traveling wave solutions of the perturbed nonlinear Schrödinger equation and the cubic-quintic Ginzburg Landau equation using the modified (G'/G)-expansion method.  |
Applied Mathematics and Computation  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Minbo Yang, Fukun Zhao, Yanheng Ding |
Infinitely many stationary solutions of discrete vector nonlinear Schrödinger equation with symmetry.  |
Applied Mathematics and Computation  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | S. M. Hoseini, T. R. Marchant |
Evolution of solitary waves for a perturbed nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Yeqiong Shi, Zhengde Dai, Donglong Li |
The correct traveling wave solutions for the high-order dispersive nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Ying-hui Tian, Han-lin Chen, Xi-qiang Liu |
A simple direct method to find equivalence transformations of a generalized nonlinear Schrödinger equation and a generalized KdV equation.  |
Applied Mathematics and Computation  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Yushun Wang, Shengtai Li |
New schemes for the coupled nonlinear Schrödinger equation.  |
Int. J. Comput. Math.  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Filiz Tascan, Ahmet Bekir |
Periodic and solitary wave solutions of the attractive and repulsive nonlinear Schrödinger equation.  |
Int. J. Comput. Math.  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Jonatan Lenells |
Dressing for a Novel Integrable Generalization of the Nonlinear Schrödinger Equation.  |
J. Nonlinear Science  |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Magdy A. El-Tawil |
The Average Solution of a Stochastic Nonlinear Schrodinger Equation under Stochastic Complex Non-homogeneity and Complex Initial Conditions.  |
Transactions on Computational Science  |
2009 |
DBLP DOI BibTeX RDF |
Stochastic Nonlinear Schrodinger Equation, Eigenfunction Expansion, WHEP Technique, Wiener-Hermite Expansion, Perturbation |
| 1 | Walid K. Abou Salem, Catherine Sulem |
Stochastic Acceleration of Solitons for the Nonlinear Schrödinger Equation.  |
SIAM J. Math. Analysis  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Panayotis G. Kevrekidis, D. E. Pelinovsky, A. Stefanov |
Asymptotic Stability of Small Bound States in the Discrete Nonlinear Schrödinger Equation.  |
SIAM J. Math. Analysis  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Liviu I. Ignat, Enrique Zuazua |
Numerical Dispersive Schemes for the Nonlinear Schrödinger Equation.  |
SIAM J. Numerical Analysis  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Nauman Raza, Sultan Sial, Shahid S. Siddiqi, Turab Lookman |
Energy minimization related to the nonlinear Schrödinger equation.  |
J. Comput. Physics  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Lionel Rosier, Bing-Yu Zhang |
Local Exact Controllability and Stabilizability of the Nonlinear Schrödinger Equation on a Bounded Interval.  |
SIAM J. Control and Optimization  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Zhenya Yan |
Envelope solution profiles of the discrete nonlinear Schrödinger equation with a saturable nonlinearity.  |
Appl. Math. Lett.  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Ya-Nan Zhang, Fei Xu, Ling-ling Deng |
Exact solution for nonlinear Schrödinger equation by He's frequency formulation.  |
Computers & Mathematics with Applications  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Li Ling-Xiao, Wang Ming-Liang |
The (G'/G)-expansion method and travelling wave solutions for a higher-order nonlinear schrödinger equation.  |
Applied Mathematics and Computation  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Jian Zhang, Xiaoguang Li, Yonghong Wu |
Remarks on the blow-up rate for critical nonlinear Schrödinger equation with harmonic potential.  |
Applied Mathematics and Computation  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Wen-Xiu Ma, Min Chen |
Direct search for exact solutions to the nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | B. Dubrovin, T. Grava, C. Klein |
On Universality of Critical Behavior in the Focusing Nonlinear Schrödinger Equation, Elliptic Umbilic Catastrophe and the Tritronquée Solution to the Painlevé-I Equation.  |
J. Nonlinear Science  |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Axel Grünrock, Sebastian Herr |
Low Regularity Local Well-Posedness of the Derivative Nonlinear Schrödinger Equation with Periodic Initial Data.  |
SIAM J. Math. Analysis  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Axel Grünrock, Sebastian Herr |
Low Regularity Local Well-Posedness of the Derivative Nonlinear Schrödinger Equation with Periodic Initial Data.  |
SIAM J. Math. Analysis  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Francisco de la Hoz, Fernando Vadillo |
An exponential time differencing method for the nonlinear Schrödinger equation.  |
Computer Physics Communications  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | M. S. Ismail |
Numerical solution of coupled nonlinear Schrödinger equation by Galerkin method.  |
Mathematics and Computers in Simulation  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Zhongyi Huang, Shi Jin, Peter A. Markowich, Christof Sparber |
Numerical Simulation of the Nonlinear Schrödinger Equation with Multidimensional Periodic Potentials.  |
Multiscale Modeling & Simulation  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Alper Korkmaz, Idris Dag |
A differential quadrature algorithm for simulations of nonlinear Schrödinger equation.  |
Computers & Mathematics with Applications  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | M. S. Ismail |
A fourth-order explicit schemes for the coupled nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Boling Guo, Yongqian Han, Jie Xin |
Existence of the global smooth solution to the period boundary value problem of fractional nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Monica Visan, Xiaoyi Zhang |
On the Blowup for the L2-Critical Focusing Nonlinear Schrödinger Equation in Higher Dimensions below the Energy Class.  |
SIAM J. Math. Analysis  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | M. S. Ismail, Thiab R. Taha |
A linearly implicit conservative scheme for the coupled nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Turgut Özis, Ahmet Yildirim |
Application of He's semi-inverse method to the nonlinear Schrödinger equation.  |
Computers & Mathematics with Applications  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Qian Liu, Yuqian Zhou |
Construction of solutions with exactly k blow-up points for nonlinear Schrödinger equation with a harmonic potential.  |
Applied Mathematics and Computation  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Jian Wang |
A note on multisymplectic Fourier pseudospectral discretization for the nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Shihui Zhu, Xiaoguang Li |
Sharp upper and lower bounds on the blow-up rate for nonlinear Schrödinger equation with potential.  |
Applied Mathematics and Computation  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Jianqing Chen, Boling Guo |
Blow up solutions for one class of system of Pekar-Choquard type nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Isaías Alonso-Mallo, Nuria Reguera |
Local Absorbing Boundary Conditions for a Finite Element Discretization of the Cubic Nonlinear Schrödinger Equation.  |
World Congress on Engineering  |
2007 |
DBLP BibTeX RDF |
|
| 1 | Baochang Shi |
Lattice Boltzmann Simulation of Some Nonlinear Complex Equations.  |
International Conference on Computational Science  |
2007 |
DBLP DOI BibTeX RDF |
nonlinear Schrödinger equation, Klein-Gordon equation, Klein-Gordon-Schrödinger equations, Lattice Boltzmann method |
| 1 | Nikolaos Tzirakis |
Mass Concentration Phenomenon for the Quintic Nonlinear Schrödinger Equation in One Dimension.  |
SIAM J. Math. Analysis  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Cuihua Guo, Shangbin Cui |
Global existence of solutions for a fourth-order nonlinear Schrödinger equation.  |
Appl. Math. Lett.  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Qian Liu, Yuqian Zhou, Jian Zhang, Weinian Zhang |
Sharp condition of global existence for nonlinear Schrödinger equation with a harmonic potential.  |
Applied Mathematics and Computation  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Ji Shu, Jian Zhang |
Sharp criterion of global existence for a class of nonlinear Schrödinger equation with critical exponent.  |
Applied Mathematics and Computation  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Qian Liu, Yuqian Zhou, Jian Zhang |
Upper and lower bound of the blow-up rate for nonlinear Schrödinger equation with a harmonic potential.  |
Applied Mathematics and Computation  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Ting-chun Wang, Lu-ming Zhang |
Analysis of some new conservative schemes for nonlinear Schrödinger equation with wave operator.  |
Applied Mathematics and Computation  |
2006 |
DBLP DOI BibTeX RDF |
|
| 1 | Naoufel Ben Abdallah, Florian Méhats, Christian Schmeiser, Rada M. Weishäupl |
The Nonlinear Schrödinger Equation with a Strongly Anisotropic Harmonic Potential.  |
SIAM J. Math. Analysis  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Jérémie Szeftel |
Microlocal Dispersive Smoothing for the Nonlinear Schrödinger Equation.  |
SIAM J. Math. Analysis  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Michael Kurth |
On the Existence of Infinitely Many Modes of a Nonlocal Nonlinear Schrödinger Equation Related to Dispersion-Managed Solitons.  |
SIAM J. Math. Analysis  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Wei Wang, Jianhua Sun, Guanrong Chen |
Bifurcation, Exact Solutions and nonsmooth Behavior of solitary Waves in the Generalized Nonlinear SchrÖdinger equation.  |
I. J. Bifurcation and Chaos  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | G. M. Muslu, H. A. Erbay |
Higher-order split-step Fourier schemes for the generalized nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | D. J. Kaup |
Variational solutions for the discrete nonlinear Schrödinger equation.  |
Mathematics and Computers in Simulation  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Jing-Bo Chen |
A multisymplectic integrator for the periodic nonlinear Schrödinger equation.  |
Applied Mathematics and Computation  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Krishna Kundu |
A discrete variational approach for investigation of stationary localized states in a discrete nonlinear Schrödinger equation, named IN-DNLS.  |
Int. J. Math. Mathematical Sciences  |
2005 |
DBLP DOI BibTeX RDF |
|
| 1 | Thiab R. Taha, Xiangming Xu |
Parallel Split-Step Fourier Methods for the Coupled Nonlinear Schro"dinger Type Equations.  |
The Journal of Supercomputing  |
2005 |
DBLP DOI BibTeX RDF |
split-step method, FFTW, parallel algorithms, NLS |
| 1 | Christophe Besse |
A Relaxation Scheme for the Nonlinear Schrödinger Equation.  |
SIAM J. Numerical Analysis  |
2004 |
DBLP DOI BibTeX RDF |
|
| 1 | M. S. Ismail, S. Z. Alamri |
Highly accurate finite difference method for coupled nonlinear Schrödinger equation.  |
Int. J. Comput. Math.  |
2004 |
DBLP DOI BibTeX RDF |
|
| 1 | N. V. Alexeeva, E. V. Zemlyanaya |
Nodal Two-Dimensional Solitons in Nonlinear Parametric Resonance.  |
NAA  |
2004 |
DBLP DOI BibTeX RDF |
|
| 1 | E. V. Zemlyanaya, I. V. Barashenkov, S. R. Woodford |
Parametrically Driven Dark Solitons: A Numerical Study.  |
NAA  |
2004 |
DBLP DOI BibTeX RDF |
|
| 1 | A. H. Vartanian |
Exponentially small asymptotics of solutions to the defocusing nonlinear Schrödinger equation.  |
Appl. Math. Lett.  |
2003 |
DBLP DOI BibTeX RDF |
|
| 1 | Christophe Besse, Brigitte Bidégaray, Stéphane Descombes |
Order Estimates in Time of Splitting Methods for the Nonlinear Schrödinger Equation.  |
SIAM J. Numerical Analysis  |
2002 |
DBLP DOI BibTeX RDF |
|
| 1 | C. J. Budd |
Asymptotics of Multibump Blow-up Self-Similar Solutions of the Nonlinear Schrödinger Equation.  |
SIAM Journal of Applied Mathematics  |
2002 |
DBLP DOI BibTeX RDF |
|
| 1 | Thiab R. Taha, Xiangming Xu |
Parallel Split-step Fourier Methods for the Nonlinear Schrödinger Equation.  |
PDPTA  |
2002 |
DBLP BibTeX RDF |
|
| 1 | Gadi Fibich, Boaz Ilan, S. Tsynkov |
Computation of Nonlinear Backscattering Using a High-Order Numerical Method.  |
J. Sci. Comput.  |
2002 |
DBLP DOI BibTeX RDF |
Kerr medium, self focusing, fourth-order method, two-way ABCs, wave propagation |
| 1 | Gadi Fibich |
Self-Focusing in the Damped Nonlinear Schrödinger Equation.  |
SIAM Journal of Applied Mathematics  |
2001 |
DBLP DOI BibTeX RDF |
|
| 1 | Richard Liska, L. Drsda |
FIDE: a REDUCE package for automation of FInite difference method for solving pDE.  |
ISSAC  |
1990 |
DBLP DOI BibTeX RDF |
FORTRAN, REDUCE |