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Jessica Fridrich
Jessica Fridrich
is a professor at Binghamton University, who specializes in data hiding applications in digital imagery. She is also known for documenting and popularizing the CFOP
CFOP
method, one of the most commonly used methods for speedsolving the Rubik's Cube, also known as speedcubing.[1] She is considered as one of the pioneers of speedcubing, along with Lars Petrus. Nearly all of the fastest speedcubers have based their methods on Fridrich's, usually referred to as CFOP
CFOP
(Cross, First 2 Layers, Orient Last Layer, Permuting Last Layer). The method describes solving the cube in a layer-by-layer fashion. First a so-called "cross" is made on the first layer, consisting of the center piece and four edges. The first layer corners and edges of the second layer are put into their correct positions simultaneously (four pairs). The last layer is solved by first orienting and then permuting the last layer of the cube using a few sets of algorithms.

Contents

1 Professional life 2 See also 3 References 4 External links

Professional life[edit] Jessica Fridrich
Jessica Fridrich
works as a professor at the Department of Electrical and Computer Engineering at Binghamton University
Binghamton University
and specializes in digital watermarking and forensics.[2][3][4] She received her MS degree in applied mathematics from the Czech Technical University in Prague in 1987, and her PhD in systems science from Binghamton University in 1995.[2] See also[edit]

CFOP
CFOP
Method

References[edit]

^ a b c Specializing in Problems That Only Seem Impossible to Solve, By BINA VENKATARAMAN, Published: December 15, 2008, The New York Times ^ a b "Jessica Fridrich". Hindawi Publishing Corporation. February 14, 2002. Retrieved April 19, 2012.  ^ Jessica Fridrich, Talk
Talk
on Youtube ^ Bio:Jessica Fridrich, Binghamton University

External links[edit]

Jessica Fridrich's webpage Rubik's Cube
Rubik's Cube
World Championship in Budapest in 1982 Rubik's Cube
Rubik's Cube
competition rankings Jessica Fridich : page en français

v t e

Rubik's Cube

Puzzle inventors

Ernő Rubik Uwe Mèffert Tony Fisher Panagiotis Verdes Oskar van Deventer

Rubik's Cubes

Overview 2×2×2 (Pocket Cube) 3×3×3 (Rubik's Cube) 4×4×4 (Rubik's Revenge) 5×5×5 (Professor's Cube) 6×6×6 (V-Cube 6) 7×7×7 (V-Cube 7) 8×8×8 (V-Cube 8)

Cubic variations

Helicopter Cube Skewb Square 1 Sudoku Cube Nine-Colour Cube Void Cube

Non-cubic variations

Tetrahedron

Pyraminx Pyraminx
Pyraminx
Duo Pyramorphix BrainTwist

Octahedron

Skewb
Skewb
Diamond

Dodecahedron

Megaminx
Megaminx
(Variations) Pyraminx
Pyraminx
Crystal Skewb
Skewb
Ultimate

Icosahedron

Impossiball Dogic

Great dodecahedron

Alexander's Star

Truncated icosahedron

Tuttminx

Cuboid

Floppy Cube
Floppy Cube
(1x3x3) Rubik's Domino
Rubik's Domino
(2x3x3)

Virtual variations (>3D)

MagicCube4D MagicCube5D MagicCube7D Magic 120-cell

Derivatives

Missing Link Rubik's 360 Rubik's Clock Rubik's Magic

Master Edition

Rubik's Revolution Rubik's Snake Rubik's Triamid Rubik's Cheese

Renowned solvers

Erik Akkersdijk Yu Nakajima Bob Burton, Jr. Jessica Fridrich Chris Hardwick Rowe Hessler Leyan Lo Shotaro Makisumi Toby Mao Tyson Mao Frank Morris Lars Petrus Gilles Roux David Singmaster Ron van Bruchem Eric Limeback Anthony Michael Brooks Mats Valk Feliks Zemdegs Collin Burns Lucas Etter

Solutions

Speedsolving

Speedcubing

Methods

Layer by Layer CFOP
CFOP
Method Roux Method Corners First Optimal

Mathematics

God's algorithm Superflip Thistlethwaite's algorithm Rubik's Cube
Rubik's Cube
group

Official organization

World Cube Association

Related articles

Rubik's Cube
Rubik's Cube
in popular culture The Simple Solution to Rubik's Cube 1982 World Rubik's Cube
Rubik's Cube
Championship

Authority control

WorldCat Identities VIAF: 67551842 LCCN: nb2004312295 ISNI: 0000 0000 4466 335X SUDOC: 083547177 BIBSYS: 6001971 MGP: 89460 DBLP:

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