**Geometric Computing Lab**@ NYU

Chair, Computer Science Department

Courant Institute of Mathematical Sciences

**Contact Info:**

New York University

60 5th Ave, 5th floor

New York, NY 10011

**Phone:**+1 (212) 998-3405

**Email (administrative matters):**cs-chair@cs.nyu.edu

**Email:**dzorin@cs.nyu.edu

### Research Interests

Geometric modeling: subdivision surfaces, variational modeling, manifold constructions, interactive and appearance based modeling, discretization of geometric quantities. Scientific computing: Fast multipole methods, numerical solution of integral equations, fluid and deformable membrane simulation, parallel algorithms and software tools.

## Publications

A Large Scale Comparison of Tetrahedral and Hexahedral Elements for Finite Element Analysis

Teseo Schneider,
Yixin Hu,
Xifeng Gao,
Jeremie Dumas,
Denis Zorin,
Daniele Panozzo,

Transaction on Graphics , 2022

A Large-Scale Benchmark for the Incompressible Navier-Stokes Equations

Zizhou Huang,
Teseo Schneider,
Minchen Li,
Chenfanfu Jiang,
Denis Zorin,
Daniele Panozzo,

Arxiv , 2021

Hardware Design and Accurate Simulation for Benchmarking of 3D Reconstruction Algorithms

Sebastian Koch,
Yurii Piadyk,
Markus Worchel,
Marc Alexa,
Claudio T. Silva,
Denis Zorin,
Daniele Panozzo,

Neural Information Processing Systems (NeurIPS 2021) Track on Datasets and Benchmarks , 2021

Optimizing Contact-based Assemblies

Davi Colli Tozoni,
YunFan Zhou,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH Asia) , 2021

Efficient and Robust Discrete Conformal Equivalence with Boundary

Marcel Campen,
Ryan Capouellez,
Hanxiao Shen,
Leyi Zhu,
Daniele Panozzo,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH Asia) , 2021

An Extensible Benchmark Suite for Learning to Simulate Physical Systems

Karl Otness,
Arvi Gjoka,
Joan Bruna,
Daniele Panozzo,
Benjamin Peherstorfer,
Teseo Schneider,
Denis Zorin,

Neural Information Processing Systems (NeurIPS 2021) Track on Datasets and Benchmarks , 2021

Intersection-free Rigid Body Dynamics

Zachary Ferguson,
Minchen Li,
Teseo Schneider,
Francisca Gil Ureta,
Timothy Langlois,
Chenfanfu Jiang,
Denis Zorin,
Danny M. Kaufman,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2021

Bijective and Coarse High-Order Tetrahedral Meshes

Zhongshi Jiang,
Ziyi Zhang,
Yixin Hu,
Teseo Schneider,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2021

Orienting Point Clouds With Dipole Propagation

Gal Metzer,
Rana Hanocka,
Denis Zorin,
Raja Giryes,
Daniele Panozzo,
Daniel Cohen-Or,

ACM Transaction on Graphics (SIGGRAPH) , 2021

Appearance-Preserving Tactile Optimization

Chelsea Tymms,
Siqi Wang,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH Asia) , 2020

Bijective Projection in a Shell

Zhongshi Jiang,
Teseo Schneider,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH Asia) , 2020

A Low-Parametric Rhombic Microstructure Family for Irregular Lattices

Davi Colli Tozoni,
Jeremie Dumas,
Zhongshi Jiang,
Julian Panetta,
Daniele Panozzo,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH) , 2020

Fast Tetrahedral Meshing in the Wild

Yixin Hu,
Teseo Schneider,
Bolun Wang,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2020

Incremental Potential Contact: Intersection- and Inversion-free, Large-Deformation Dynamics

Minchen Li,
Zachary Ferguson,
Teseo Schneider,
Timothy Langlois,
Denis Zorin,
Daniele Panozzo,
Chenfanfu Jiang,
Danny M. Kaufman,

ACM Transaction on Graphics (SIGGRAPH) , 2020

Reinforcement of General Shell Structures

Francisca Gil Ureta,
Nico Pietroni,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH) , 2020

A robust solver for elliptic PDEs in 3D complex geometries

Matthew J. Morse,
Abtin Rahimian,
Denis Zorin,

Arxiv , 2020

Scalable Simulation of Realistic Volume Fraction Red Blood Cell Flows through Vascular Networks

Libin Lu,
Matthew J. Morse,
Abtin Rahimian,
Georg Stadler,
Denis Zorin,

SC , 2019

Gradient Dynamics of Shallow Univariate ReLU Networks

Francis Williams,
Matthew Trager,
Claudio T. Silva,
Daniele Panozzo,
Denis Zorin,
Joan Bruna,

NeurIPS , 2019

TriWild: Robust Triangulation with Curve Constraints

Yixin Hu,
Teseo Schneider,
Xifeng Gao,
Qingnan Zhou,
Alec Jacobson,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2019

Progressive Embedding

Hanxiao Shen,
Zhongshi Jiang,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2019

ABC: A Big CAD Model Dataset For Geometric Deep Learning

Sebastian Koch,
Albert Matveev,
Zhongshi Jiang,
Francis Williams,
Alexey Artemov,
Evgeny Burnaev,
Marc Alexa,
Denis Zorin,
Daniele Panozzo,

CVPR , 2019

Deep Geometric Prior for Surface Reconstruction

Francis Williams,
Teseo Schneider,
Claudio T. Silva,
Denis Zorin,
Joan Bruna,
Daniele Panozzo,

CVPR , 2019

Parallel contact-aware simulations of deformable particles in 3D Stokes flow

Libin Lu,
Abtin Rahimian,
Denis Zorin,

Arxiv (submitted), 2018

Poly-Spline Finite Element Method

Teseo Schneider,
Jeremie Dumas,
Xifeng Gao,
Mario Botsch,
Daniele Panozzo,
Denis Zorin,

ACM Transaction on Graphics , 2019

Quadrangulation of non-rigid objects using deformation metrics

Jiaran Zhou,
Marcel Campen,
Denis Zorin,
Changhe Tu,
Claudio T. Silva,

Computer Aided Geometric Design , 2018

Seamless Parametrization with Arbitrarily Prescribed Cones

Marcel Campen,
Hanxiao Shen,
Jiaran Zhou,
Denis Zorin,

Arxiv (submitted), 2018

Decoupling Simulation Accuracy from Mesh Quality

Teseo Schneider,
Yixin Hu,
Jeremie Dumas,
Xifeng Gao,
Daniele Panozzo,
Denis Zorin,

ACM Transaction on Graphics (SIGGRAPH Asia) , 2018

Tetrahedral Meshing in the Wild

Yixin Hu,
Qingnan Zhou,
Xifeng Gao,
Alec Jacobson,
Denis Zorin,
Daniele Panozzo,

ACM Transaction on Graphics (SIGGRAPH) , 2018

A Quantitative Perceptual Model for Tactile Roughness

Chelsea Tymms,
Esther P Gardner,
Denis Zorin,

ACM Transaction on Graphics , 2018

A parameteric class of composites with a large achievable range of effective elastic properties

Igor Ostanin,
George Ovchinnikov,
Davi Colli Tozoni,
Denis Zorin,

Journal of the Mechanics and Physics of Solids , 2018

Tactile perception of the roughness of 3D-printed textures

Chelsea Tymms,
Denis Zorin,
Esther P Gardner,

Journal of Neurophysiology , 2017

Contact-aware simulations of particulate Stokesian suspensions

Libin Lu,
Abtin Rahimian,
Denis Zorin,

Journal of Computational Physics , 2017

Worst-case stress relief for microstructures

Julian Panetta,
Abtin Rahimian,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2017

Similarity maps and field-guided T-splines: a perfect couple

Marcel Campen,
Denis Zorin,

ACM Transactions on Graphics (SIGGRAPH) , 2017

Surface Networks

Ilya Kostrikov,
Zhongshi Jiang,
Daniele Panozzo,
Denis Zorin,
Joan Bruna,

CVPR (Oral Presentation) , 2018

On Discrete Conformal Seamless Similarity Maps

Marcel Campen,
Denis Zorin,

Arxiv , 2017

Ubiquitous evaluation of layer potentials using Quadrature by Kernel-Independent Expansion

Abtin Rahimian,
Alex Barnett,
Denis Zorin,

BIT Numerical Mathematics , 2016

Scale-Invariant Directional Alignment of Surface Parametrizations

Marcel Campen,
Moritz Ibing,
Hans-Christian Ebke,
Denis Zorin,
Leif Kobbelt,

Computer Graphics Forum (SGP) , 2016

Interactive Modeling of Mechanical Objects

Francisca Gil Ureta,
Chelsea Tymms,
Denis Zorin,

Computer Graphics Forum (SGP) , 2016

A fast platform for simulating flexible fiber suspensions applied to cell mechanics

Ehssan Nazockdast,
Abtin Rahimian,
Denis Zorin,
Michael Shelley,

Journal of Computational Physics , 2017

Bijective maps from simplicial foliations

Marcel Campen,
Claudio T. Silva,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2016

Mesh Arrangements for Solid Geometry

Qingnan Zhou,
Eitan Grinspun,
Denis Zorin,
Alec Jacobson,

ACM Transactions on Graphics (TOG) , 2016

A Tensor-Train accelerated solver for integral equations in complex geometries

Eduardo Corona,
Abtin Rahimian,
Denis Zorin,

Journal of Computational Physics , 2017

Boundary Integral Method for the Flow of Vesicles with Viscosity Contrast in Three Dimensions

Abtin Rahimian,
Shravan Veerapaneni,
Denis Zorin,
George Biros,

Journal of Computational Physics , 2015

Elastic Textures

Julian Panetta,
Qingnan Zhou,
Luigi Malmo,
Nico Pietroni,
Paolo Cignoni,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2015

Dyadic T-mesh subdivision

Denis Kovacs,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2015

An O (N) direct solver for integral equations on the plane

Eduardo Corona,
Per-Gunnar Martinsson,
Denis Zorin,

Applied and Computational Harmonic Analysis , 2015

Strict minimizers for geometric optimization

Zohar Levi,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2014

Smoothness of Subdivision Surfaces with Boundary

Henning Biermann,
Sara Grundel,
Denis Zorin,

Constructive Approximation , 2014

Locally Injective Parametrization with Arbitrary Fixed Boundaries

Ofir Weber,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2014

Robust Field-aligned Global Parametrization

Ashish Myles,
Nico Pietroni,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2014

Quad-Mesh Generation and Processing: A Survey

David Bommes,
Bruno Levy,
Nico Pietroni,
Enrico Puppo,
Claudio T. Silva,
Marco Tarini,
Denis Zorin,

Computer Graphics Forum , 2013

Subspace integration with local deformations

David Harmon,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2013

Controlled-distortion constrained global parametrization

Ashish Myles,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2013

Worst-case structural analysis

Qingnan Zhou,
Julian Panetta,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2013

A massively parallel adaptive fast multipole method on heterogeneous architectures

Ilya Lashuk,
Aparna Chandramowlishwaran,
Harper Langston,
Tuan-Anh Nguyen,
Rahul Sampath,
Aashay Shringarpure,
Richard Vuduc,
Lexing Ying,
Denis Zorin,
George Biros,

Communications of the ACM , 2012

Fields on symmetric surfaces

Daniele Panozzo,
Yaron Lipman,
Enrico Puppo,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2012

Global parametrization by incremental flattening

Ashish Myles,
Denis Zorin,

ACM Transactions on Graphics (TOG) , 2012

Computing extremal quasiconformal maps

Ofir Weber,
Ashish Myles,
Denis Zorin,

Computer Graphics Forum (Best Paper Award), 2012

Fields on Symmetric Surfaces

Daniele Panozzo,
Yaron Lipman,
Enrico Puppo,
Denis Zorin,

ACM Transactions on Graphics (SIGGRAPH) , 2012

Global parametrization of range image sets

Nico Pietroni,
Marco Tarini,
Olga Sorkine-Hornung,
Denis Zorin,

ACM Transactions on Graphics , 2011

Asynchronous integration with phantom meshes

David Harmon,
Qingnan Zhou,
Denis Zorin,

ACM SIGGRAPH/Eurographics Symposium on Computer Animation , 2011

Manifold-based surfaces with boundary

Elif Tosun,
Denis Zorin,

Computer-Aided Geometric Design , 2011

A fast algorithm for simulating vesicle flows in three dimensions

Shravan Veerapaneni,
Abtin Rahimian,
George Biros,
Denis Zorin,

Journal of Computational Physics , 2011

A Free-space adaptive FMM-Based PDE solver in three dimensions

M. Harper Langston,
Leslie Greengard,
Denis Zorin,

Communications in Applied Mathematics and Computational Science , 2011

Interference Aware Geometric Modeling

David Harmon,
Daniele Panozzo,
Olga Sorkine-Hornung,
Denis Zorin,

ACM Transactions on Graphics (SIGGRAPH Asia) , 2011

Petascale Direct Numerical Simulation of Blood Flow on 200K Cores and Heterogeneous Architectures.

Abtin Rahimian,
Ilya Lashuk,
Shravan Veerapaneni,
Aparna Chandramowlishwaran,
Dhairya Malhotra,
Logan Moon,
Rahul Sampath,
Aashay Shringarpure,
Jeffrey Vetter,
Richard Vuduc,
Denis Zorin,
George Biros,

ACM/IEEE conference on Supercomputing (Gordon Bell Prize), 2010

Feature-aligned T-meshes

Ashish Myles,
Nico Pietroni,
Denis Kovacs,
Denis Zorin,

ACM Transactions on Graphics , 2010

Mixed Finite Elements for Variational Surface Modeling

Alec Jacobson,
Elif Tosun,
Olga Sorkine-Hornung,
Denis Zorin,

Computer Graphics Forum , 2010

Anisotropic quadrangulation

Denis Kovacs,
Ashish Myles,
Denis Zorin,

Symposium on Solid and Physical Modeling , 2010

Real-time creased subdivision surfaces

Denis Kovacs,
Jason Mitchell,
Denis Zorin,

IEEE Transactions on Visualization and Computer Graphics ((also in Proceedings of I3D, 2009)), 2010

A massively parallel adaptive fast-multipole method on heterogeneous architectures

Ilya Lashuk,
Aparna Chandramowlishwaran,
Harper Langston,
Tuan-Anh Nguyen,
Rahul Sampath,
Aashay Shringarpure,
Richard Vuduc,
Lexing Ying,
Denis Zorin,
George Biros,

ACM/IEEE conference on Supercomputing (Best Paper Award Nomination), 2009

High-order methods for simulating the dynamics of axis-symmetric inextensible vesicles in viscous flow

Shravan Veerapaneni,
Denis Gueyffier,
George Biros,
Denis Zorin,

Journal of Computational Physics , 2009

Application-aware management of parallel simulation

Siu-Man Yau,
Vijay Karamcheti,
Denis Zorin,
Kostadin Damevski,
Steven G. Parker,

SIGPLAN Symposium on Principles and Practice of Parallel Programming , 2009

Structured annotations for 2D-to-3D modeling

Yotam Gingold,
Takeo Igarashi,
Denis Zorin,

ACM Transactions on Computer Graphics , 2009

A boundary integral method for simulating the dynamics of inextensible vesicles suspended in a viscous fluid in 2D

Shravan Veerapaneni,
Denis Gueyffier,
George Biros,
Denis Zorin,

Journal of Computational Physics , 2008

Shading-based surface editing

Yotam Gingold,
Denis Zorin,

ACM Transactions on Computer Graphics , 2008

Real-time rendering of textures with feature curves

Evgueni Parilov,
Denis Zorin,

ACM Transactions on Computer Graphics , 2008

Result reuse in design space exploration: a study in system support for interactive parallel computing

Siu-Man Yau,
Kostadin Damevski,
Vijay Karamcheti,
Steven G. Parker,
Denis Zorin,

IEEE International Parallel and Distributed Processing Symposium , 2008

Cubic shells

Akash Garg,
Eitan Grinspun,
Max Wardetzky,
Denis Zorin,

SIGGRAPH/Eurographics Symposium on Computer Animation , 2007

Shape optimization using reflection lines

Elif Tosun,
Yotam Gingold,
Jason Reisman,
Denis Zorin,

Eurographics/SIGGRAPH Symposium on Geometry Processing , 2007

Controlled-topology filtering

Yotam Gingold,
Denis Zorin,

Computer-Aided Design (Previously appeared in Proceedings of SMI 2006), 2007

Discrete quadratic bending energies

Max Wardetzky,
Miklos Bergou,
David Harmon,
Denis Zorin,
Eitan Grinspun,

Computer-Aided Geometric Design (Special Issue on Discrete Differential Geometry, extended version of SGP 2006 paper), 2007

Sim-X: Parallel system software for interactive multi-experiment computational studies

Siu-Man Yau,
Eitan Grinspun,
Vijay Karamcheti,
Denis Zorin,

IEEE International Parallel and Distributed Processing Symposium , 2006

A High-order 3D boundary integral equation solver for elliptic PDEs in smooth domains

Lexing Ying,
George Biros,
Denis Zorin,

Journal of Computational Physics , 2006

A quadratic bending model for inextensible surfaces

Miklos Bergou,
Max Wardetzky,
David Harmon,
Denis Zorin,
Eitan Grinspun,

Eurographics/SIGGRAPH Symposium on Geometry Processing , 2006

Constructing curvature-continuous surfaces by blending

Denis Zorin,

Eurographics/SIGGRAPH Symposium on Geometry Processing , 2006

Computing discrete shape operators on general meshes

Eitan Grinspun,
Yotam Gingold,
Jason Reisman,
Denis Zorin,

Computer Graphics Forum (Eurographics 2006 Proceedings, 3rd best paper award), 2006

A Direct texture placement and editing interface

Yotam Gingold,
Philip Davidson,
Jefferson Han,
Denis Zorin,

Proceedings of he 19th ACM Symposium on User Interface Software and Technology (UIST06) , 2006

Subdivision on arbitrary meshes: algorithms and theory

Denis Zorin,

Institute of Mathematical Sciences (Singapore) Lecture Notes Series , 2006

Curvature-based energy for simulation

Denis Zorin,

Shape Modeling International Proceedings , 2005

A survey of subdivision-based tools for surface modeling

Ioana Boier-Martin,
Denis Zorin,
Fausto Bernardini,

AMS/DIMACS Volume on Computer-Aided Design and Manufacturing , 2005

Interactive modeling of topologically complex geometric detail

Jianbo Peng,
Daniel Kristjansson,
Denis Zorin,

ACM Transactions on Graphics (SIGGRAPH 2004 Proceedings), 2004

A simple manifold-based construction of surfaces of arbitrary smoothness

Lexing Ying,
Denis Zorin,

ACM Transactions on Graphics (SIGGRAPH 2004 Proceedings), 2004

Differentiable parametrization of Catmull-Clark subdivision surfaces

Ioana Boier-Martin,
Denis Zorin,

Eurographics/SIGGRAPH Symposium on Geometry Processing , 2004

Lofting curve networks using subdivision surfaces

Scott Schaefer,
Joe Warren,
Denis Zorin,

Eurographics/SIGGRAPH Symposium on Geometry Processing , 2004

A kernel-independent adaptive fast multipole algorithm in two and three dimensions

Lexing Ying,
George Biros,
Denis Zorin,

Journal of Computational Physics , 2004

A discrete model for inelastic deformation of thin shells

Adrian Secord,
Eitan Grinspun,
Denis Zorin,

Technical report (poster presented at SCA 2004), 2004

A new parallel kernel-independent fast multipole method

Lexing Ying,
George Biros,
M. Harper Langston,
Denis Zorin,

SC 2003: Proceedings of the 2003 ACM/IEEE conference on Supercomputing (Best student paper award, Gordon Bell prize finalist), 2003

A fast solver for the Stokes equations with distributed forces in complex geometries

George Biros,
Lexing Ying,
Denis Zorin,

Journal of Computational Physics , 2003

Sharp features on multiresolution subdivision surfaces

Henning Biermann,
Ioana Boier-Martin,
Fausto Bernardini,
Denis Zorin,

Graphical Models (Previously appeared in Proceedings of PG 2001), 2002

The embedded boundary integral method for the incompressible Navier-Stokes equations

George Biros,
Lexing Ying,
Denis Zorin,

Proceedings of International Association for Boundary Element Methods 2002 Symposium , 2002

Cut-and-paste editing of multiresolution surfaces

Henning Biermann,
Ioana Boier-Martin,
Fausto Bernardini,
Denis Zorin,

SIGGRAPH Proceedings , 2002

Evaluation of piecewise smooth subdivision surfaces

Denis Zorin,
Daniel Kristjansson,

Visual Computer , 2002

Approximate boolean operations on free-form solids

Henning Biermann,
Daniel Kristjansson,
Denis Zorin,

SIGGRAPH 2001 Proceedings , 2001

Simple and efficient algorithm for surface denoising

Jianbo Peng,
Vasily Strela,
Denis Zorin,

IEEE Visualization 2001 Proceedings , 2001

Nonmanifold subdivision

Lexing Ying,
Denis Zorin,

IEEE Visualization 2001 Proceedings , 2001

Texture and shape synthesis on surfaces

Lexing Ying,
Aaron Hertzmann,
Henning Biermann,
Denis Zorin,

Proceedings of 12th Eurographics Workshop on Rendering 2001 , 2001

4-8 subdivision

Luiz Velho,
Denis Zorin,

Computer-Aided Geometric Design (Special Issue on Subdivision), 2001

A Unified framework for primal/dual quadrilateral subdivision Schemes

Denis Zorin,
Peter Schroeder,

Computer-Aided Geometric Design (Special Issue on Subdivision), 2001

Piecewise smooth subdivision surfaces with boundary and normal control

Henning Biermann,
Adi Levin,
Denis Zorin,

SIGGRAPH Proceedings , 2000

Artistic multi-projection images

Maneesh Agrawala,
Denis Zorin,
Tamara Munzner,

Proceedings of 11th Eurographics Workshop on Rendering , 2000

Illustrating smooth surfaces

Aaron Hertzmann,
Denis Zorin,

SIGGRAPH 2000 Proceedings , 2000

A method for analysis of $C^1$-continuity of subdivision surfaces

Denis Zorin,

SIAM Journal of Numerical Analysis , 2000

Smoothness of subdivision on irregular meshes

Denis Zorin,

Constructive Approximation , 2000

Subdivision for modeling and animation

Denis Zorin,
Peter Schroeder,
Tony DeRose,
Leif Kobbelt,
Adi Levin,
Wim Sweldens,

SIGGRAPH 2000 Course Notes, (earlier version 1999) , 2000

Interactive multiresolution mesh editing

Denis Zorin,
Peter Schroeder,
Wim Sweldens,

SIGGRAPH 1997 Proceedings , 1997

Interpolation subdivision for meshes of arbitrary topology

Denis Zorin,
Wim Sweldens,
Peter Schroeder,

SIGGRAPH 1996 Proceedings , 1996

Correction of geometric perceptual distortion in pictures

Denis Zorin,
Alan H. Barr,

SIGGRAPH 1995 Proceedings , 1995

Symmetric constraints in classification problems that admit replacement by functional constraints

Denis Zorin,

Cybernetics and Systems Analysis , 1993

On a connection between homogeneity and independence constraints for classification algorithms

Denis Zorin,

Cybernetics and Systems Analysis , 1991