- Neil J. A. Sloane
Neil Sloane's research ranges far and wide and includes coding theory, sphere packing, lattices and quadratic forms, packing lines, and planes, spherical codes and designs, quantizing, geometry, combinatorics, the design of experiments, integer sequences,
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- NEOS Guide (Network-Enabled Optimization System) - The Optimization Technology Center
A thumbnail sketch, outlines of the major algorithms, and pointers to software packages on optimization and its various subdisciplines: integer programming, stochastic programming, network programming, bound constrained, non-linearly constrained, linear
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- Nerdy T-Shirt - Thomas Reuter
Humorous math equation t-shirts. Each garment features a math equation followed by a corresponding word related to some characteristic of the equation. For example, a shirt displaying an equation for changes in acceleration bears the word "Jerk." Each
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- Nesting Software for Cutting Glass, Metal, Cutting Optimizer - Tom Tang
Nesting software for reducing scrap and generating optimum layouts for
cutting and nesting in sheet metal layout, fabrication, glass, building
panel, and woodworking industries. Samples and free demo downloads.
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- Nesting Software: PLUS (PaneL Utilization Software)
Software for reducing scrap and generating optimum layouts for cutting in sheet metal layout, fabrication, glass, building panel, and woodworking industries. Samples and free demo downloads.
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- Netherlands Society for Statistics and Operations Research (VVS)
Membership information and benefits, awards, and events of interest. Also available in Dutch.
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- Netlib Conference Database Search Form
The Netlib Conferences Database contains information about upcoming conferences, lectures, and other meetings relevant to the fields of mathematics and computer science. Unless otherwise specified in the "Starting Date" field below, your search will be
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- Netlib Repository at UTK and ORNL - AT&T Bell Labs, Univ. of Tennessee, Oak Ridge National Laboratory
The Netlib repository contains freely available mathematical and statistical software, documents, and databases of interest to the numerical, scientific computing, and other communities. The repository is maintained by AT&T Bell Laboratories, the
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- NetSolve - Jack Dongarra
NetSolve is a client-server system that enables users to solve complex scientific problems remotely. The system allows users to access both hardware and software computational resources distributed across a network. Matlab and Mathematica client interfaces
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- Network Resources for Colouring a Graph - Michael Trick
A document that tries to bring together resources available on the Internet to help in formulating and solving graph-coloring problems. A Brief Survey of Applications and Algorithms (1994); Bibliographies; Solution Codes; Test Instances; People and Papers.
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- Networks and Nonlinear Dynamics Group (NNDG) - Maurice Dodson (Director and Head)
A research group at the University of York studying the control, prediction and optimization of complex systems. Specific interests include telecommunications networks and reducing vehicle traffic. Read about the group's projects (major projects include
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- New Foundations - Randall Holmes
Developing site for the set theory "New Foundations," first introduced by W.V.O. Quine in 1937. A refinement of Russell's theory of types based on the observation that the types in Russell's theory look the same, as far as one can apparently prove. Site
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- A New Kind of Science - The Wolfram Institute, LLC
A forthcoming book by Stephen Wolfram (creator of Mathematica) arguing that the "rules" science searches for should include algorithms like those used in computer programs, not just mathematical equations. Site includes a summary, table of contents,
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- New Mathematical Constant Discovered - Keith Devlin (Devlin's Angle)
Descendent of Two Thirteenth Century Rabbits: A recent mathematical result by Divakar Viswanath, a young computer scientist at the Mathematical Sciences Research Institute (MSRI) in Berkeley, California, has put the Fibonacci numbers back in the news
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- A New Polyhedral Surface - Davide P. Cervone; The Geometry Center
Main entry point for pages that describe the recently discovered tight polyhedral immersion of the surface of Euler characteristic -1 into three-space and demonstrate one way that mathematics can be presented by means of a network-based multimedia hypertext
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- A New Proof of The Four Colour Theorem - Ashay Dharwadker
An article presenting a proof of the four color theorem that uses group theory and Steiner systems, illustrated using a map of Madhya Pradesh and adjoining states in India. Introduction; Map Colouring; Steiner Systems; Eilenberg Modules; Hall Matchings;
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- Newton Papers - University of Cambridge
View and download Isaac Netwon's handwritten papers: his own annotated copy of Principia Mathematica; the so-called "Waste Book," a large notebook that he inherited from his stepfather, and which Newton filled with notes and calculations when forced to
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- New York Group Theory Cooperative at CCNY
Genetic algorithms, open problems and preprints in combinatorial and geometric group theory, meetings, links, and MAGNUS, a free (GPL) graphically oriented system, based on Tcl/Tk, for computational group theory designed to allow for exploration and experimentation
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- New York Journal of Mathematics (NYJM) - Mark Steinberger, Editor in Chief
Fully searchable research and university-level articles, such as "A Mathematical Theory of Origami Constructions and Numbers." With instructions for authors.
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- New Zealand Mathematical Society
The representative body of professional mathematicians in New Zealand, founded in 1974. Its aims include promotion of research in the mathematical sciences, the development, application, and dissemination of mathematical knowledge within New Zealand,
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- Nexus Network Journal: Architecture and Mathematics Online - Graham Foundation for Advanced Studies in the Fine Arts
A peer-reviewed research resource for studies in architecture and mathematics, published quarterly on the Internet and annually in print by Kim Williams Books.
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- Nikkoa - Nikkoa, Inc.
Ad hoc methods for analysis, estimation, prediction, detection, identification, tracking and association of signals and information include neural networks, case-based reasoning, fuzzy logic, evidential reasoning, and artificial intelligence. Product,
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- NIST Virtual Library (NVL) - National Institute of Standards and Technology
Online library of the National Institute of Standards and Technology. Includes subject guides, an online library catalog, NVL databases, a selection of electronic journals, NIST publications, online resources, global Web resources, and hints and help
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- NMath .NET Math Libraries - CenterSpace Software, LLC
The NMath .NET math libraries from CenterSpace Software provides building blocks for mathematical, financial, engineering, and scientific applications on the .NET platform. Features include matrix and vector classes, linear algebra, random number generators,
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- A Nobel Formula - Keith Devlin (Devlin's Angle)
The discovery of a single mathematical formula in 1970 led to this year's Nobel Prize for economics, shared between Stanford University professor of finance (emeritus) Myron Scholes and economist Robert C. Merton of Harvard University. The prize would
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- Nobel Prize Internet Archive - Almaz Enterprises
An interactive archive devoted to Nobel Prizes and prizewinners. Browse by prize type or search by keyword. Additional information about the lack of a prize in mathematics, women laureates, and the Ig Nobel Prizes.
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- Noga Alon
Noga Alon researches combinatorics, graph theory, their applications to theoretical computer science, combinatorial geometry and number theory, and the relationship of combinatorial algorithms and circuit complexity. Some of his papers, along with a
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- Noise Removal from Images - J. A. Sethian
A paper and movie on noise removal. Level Set Methods exploit the fact that curves moving under their curvature smooth out and disappear. The idea is to view the pixel values as a topographic map; the intensity (somewhere between white and black) at each
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- Nonlinear Dynamical Systems at San Diego State - Ricardo Carretero
The NLDS group at San Diego State offers new graduate programs in Dynamical Systems and Applied Mathematics.
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- Nonlinear Dynamics (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
Links to sites on nonlinear dynamics, chaos and turbulence studies, complex systems and visualization, continued fractions and chaos, dynamical systems and technology, dynamics and stability of systems, with indications of level and type of resource offered.
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- Nonlinear Physics Group - Technical University, Darmstadt, Germany
A research group whose research areas include sonoluminescence, levitated drops, and acoustic and optically induced cavitation (view MPEG movies of bubbles!) A Java applet, Non-linear Dynamics Online, provides visualizations of data sets: you may use
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- Nonlinear Programming FAQ - Optimization Technology Center, Northwestern University and Argonne National Laboratory
Posted monthly to Usenet newsgroup sci.op-research. "What is Nonlinear Programming?" "What software is there for nonlinear optimization?" "I wrote an optimization code. Where are some test models?" "What references and Web links are there in this field?"
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- Nonlinear Regression Analysis Program - Phillip H. Sherrod
NLREG is a statistical analysis program for Windows 95/98 and Windows NT which performs linear and nonlinear regression analysis and curve fitting. The software package determines the values of parameters for an equation, the form of which you specify,
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- Nonlinear Science FAQ - James D. Meiss
The Frequently Asked Questions document for the newsgroup sci.nonlinear.
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- Nonlinear Science Today/Journal of Nonlinear Science - Springer-Verlag New York Inc.
Nonlinear Science Today and Journal of Nonlinear Science provide a forum for the dissemination of new results, methods, and ideas in nonlinear dynamics. The publications' goals are to facilitate the cross-fertilization and interaction between different
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- Nonlinear Systems Laboratory - Massachusetts Institute of Technology
A group dedicated to the analysis of nonlinear systems: list of publications (some abstracts are available online) and animations of a robot arm catching a ball and a paper airplane.
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- Nonpartisan Education Review
The Nonpartisan Education Review provides a forum for those interested in education issues but put off by the education policy groups affiliated with the political parties. The groupo aims to make a difference by remaining non-aligned and non-partisan.
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- Non-Pathological Warp Drive within Randall-Sundram Brane World - Paul Hoiland
Discussion of a Pathology Free Warp drive based upon the Randall-Sundrum single Brane model.
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- Non-sexist Solution of the Menage Problem - Bogart, Doyle
A paper that appeared in the American Mathematical Monthly. The ménage problem asks for the number of ways of seating couples at a circular table, with men and women alternating, so that no one sits next to his or her partner. The paper presents
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- Norwegian Mathematical Society
Site is in Norwegian. Purpose, activities, history, membership, meetings.
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- Not Even Wrong - Peter Woit, Department of Mathematics, Columbia University
A blog on a range of topics in mathematics and theoretical physics, and superstring theory in particular, dating to Match, 2004. Read the author's reflections and comments left by others.
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- The Novel Polyhedra of Albert P. Carpenter - Albert P. Carpenter
A series of videos of slides exploring Exploded, Crown, Open and Lattice Polyhedra.
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- Novosoft Inc.
Novosoft (with the Siberian Branch of Russian Academy of Sciences (SB RAS) offers R&D services including conducting scientific research in different branches of Computer Science, feasibility analysis, and implementing large science-intensive software
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- NSF Workshop on Dynamics and Bifurcations of Patterns in Dissipative Systems - Iuliana Oprea
Recent experimental results have demonstrated a variety of new patterns that can be observed in macroscopic systems far from equilibrium. Understanding these patterns is a major challenge for theoretical research. The workshop (19-22 May 2003, Colorado
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- NT Number Theory (Front for the Mathematics ArXiv) - Univ. of California, Davis
Number Theory preprints, from the U.C. Davis front end for the xxx.lanl.gov e-Print archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic.
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- numb3rs blog - Mark Bridger, Department of Mathematics, Northeastern University
A blog where math professor Bridger posts mathematical comments on the TV show "Numb3rs". Dating back to February, 2005, posts include "Math and March Madness" and "Random motion and Fokker-Planck" and "Acoustic fingerprints and the JFK assassination"
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- The Number Empire - Vitalii Vanovschi
Enter a positive integer up to 10^12, press the "Go!" button, and The Number Empire states -- in yes/no format -- whether you entered a prime number, a Bell number, a Catalan number, or a factorial. The same single click displays the integer written out
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- The Number of Latin Rectangles [PDF] - Peter Doyle
A paper that shows how to generate an expression for the number of k-line Latin rectangles for any k. The computational complexity of the resulting expression, as measured by the number of additions and multiplications required to evaluate it, is on the
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- Number Pi and Golden Section: the decimals occurrences are not random - Jean-Yves Boulay
An exploration of the occurrence of patterns of the digits in decimal representations of pi and the golden section.
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- Number Recreations - Shyam Sunder Gupta
Recreational aspects of number theory, prime numbers, and the like. Currently includes rare numbers, EPORNS (Equal Product Of Reversible Numbers), unique numbers, unlucky 13, fascinating squares, curious properties of 153, and amicable numbers (including
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