MathSciNet will automatically find a path in their database from you to Paul Erdös, or between any two people you wish (there is a special button for selecting Paul Erdös as one end of the path).

Explore thousands of free applications across science, mathematics, engineering, technology, business, art, finance, social sciences, and more. The data are based primarily on all items appearing in MathSciNet and DBLP through mid-2020. Collection of teaching and learning tools built by Wolfram education experts: dynamic textbook, lesson plans, widgets, interactive Demonstrations, and more. It might be a bit harder to compute these Erdös numbers of the second kind by hand. The site is maintained by Jerry Grossman at Oakland University. For reasons beyond our control, this site may soon disappear from this location.

Please address all comments, additions, and corrections to Jerry at grossman@oakland.edu. See their help page about this for more information. The Erdős number is the number of "hops" needed to connect the author of a paper with the prolific late mathematician Paul Erdős. Mathematics and Science Center, Room 346 An author's Erdős number is 1 if he has co-authored a paper with Erdős, 2 if he has co-authored a paper with someone who has co-authored a … And by all means, check out this cartoon. Some bright spark decided that each of these collaborators must have an Erdös (E) number of 1.

If this fails, then read on: If you would like help in determining your Erdös number, write us and we’ll do our best to find a short path of coauthorships (no guarantees, but we have pretty good data and automated search methods). My brother (a physician with only one publication) has an Erdös number of at most 9. People …

(Hoffman 1998, p. 13). Resistance Distance between Actors.

The lower the number, the closer a person is to Erdős and Bacon, which reflects a small world phenomenon in academia and entertainment. Remember, the distribution of Erdös numbers is such that almost every mathematician with a finite Erdös number has a number of less than 8—only about 2% are higher, and none is more than 15.

Walk through homework problems step-by-step from beginning to end. Grossman, J. For further information on this, see William Tozier’s article in Science News. The first step in computing your Erdös number should be to search the Erdos1 file to see whether you or your coauthors are listed. https://mathworld.wolfram.com/ErdosNumber.html. Other websites with catalogs of papers and authors have similar pathfinders, such as one from csauthors.net. 48309-4479 Intell. "The Erdős Number Project." Remember, the distribution of Erdös numbers is such that almost every mathematician with a finite Erdös number has a number of less than 8—only about 2% are higher, and none is more than 15. Purists would insist that only papers with two authors should count. About 2600 new people with Erdös number 2 are being added. (For example, if Tom, Dick, and Harry wrote a joint paper, then there are edges between Tom and Dick, between Dick and Harry, and between Harry and Tom.) Other workarounds are possible, and you can also contact us for help.

Updates." Practice online or make a printable study sheet. It’s probably much more fun, however, for you to try to find the links yourself, using MathSciNet if your institution has access.

Hoffman, P. The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical This is the website for the Erdös Number Project, which studies research collaboration among mathematicians. This was a fun game among pure mathematicians, but then along came “Six Degrees of Kevin Bacon”. If not, you’ll need to send the full names (and cite a publication or two, if possible) of your mathematical coauthors. 22, 3, 2000. This is their Erdős number, which is analagous to the Six Degrees of Kevin Bacon game, except the people are a lot more boring and a lot … Information about the Erdös Number Project, Facts about Erdös Numbers and the Collaboration Graph, Some Famous People with Finite Erdös Numbers, Items of Interest Related to Erdös Numbers. Some useful information can also be found in this Wikipedia article, which may or may not be totally accurate.

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Erdös’s coauthors and their respective coauthors, organized in various ways. Our data are for Erdös numbers of the first kind, where a paper with. Erdös numbers have been a part of the folklore of mathematicians … If you are a coauthor of Paul Erdös, then presumably you know it. 146 Library Drive

For an introduction to our project, a description of what Erdös numbers are, what they can be used for, who cares, and so on, choose the “Information about the Erdös Number Project” link below. If that doesn’t work, then search for your coauthors in that file; if you find one, then your Erdös number is 3 and you have the path. There are also links to websites of or about, Information about the Erdös Number Project, Facts about Erdös Numbers and the Collaboration Graph, Some Famous People with Finite Erdös Numbers, Items of Interest Related to Erdös Numbers, click here to visit the new Erdös Number Project website. "Erdős Number A person's Erdős–Bacon number is the sum of one's Erdős number—which measures the "collaborative distance" in authoring academic papers between that person and Hungarian mathematician Paul Erdős—and one's Bacon number—which represents the number of links, through roles in films, by which the person is separated from American actor Kevin Bacon. Mathematics and Science Center, Room 346 See our “, Erdös Numbers and the Collaboration Graph, Finally, there is the issue of which kind of Erdös number to use. Please click here to visit the new Erdös Number Project website and bookmark it for future reference. Most paths will be shorter than this.). The Bacon Number is the number of links actors and actresses are away (from Kevin Bacon) based on co-starring in a movie. If the path MR gives you contains a suspect link like this, you might try doing the search in the other direction — the algorithm is not symmetric. Updates will be made primarily to the new site. Erdős wrote papers with a total of 509 coauthors, meaning 509 people have Erdős number 1. de Castro, R. and Grossman, J. W. "Famous Trails to Paul Erdős." Math. https://www.oakland.edu/enp/. If you are a coauthor of a coauthor (i.e., you have Erdös number 2), then you will find your name listed in that file under the Erdös coauthor with whom you have written; do a search with your browser. This page was last updated on October 20, 2020 (but subpages may have been updated more recently). The Erdös Number Project has various data on the subject; in particular, there are known to be 9779 people with Erdös number at most 2.

Intell. However, a new version exists. 21, 51-63, 1999. The first step in computing your Erdös number should be to search the, It’s probably much more fun, however, for you to try to find the links yourself, using, Other websites with catalogs of papers and authors have similar pathfinders, such as one from, Once you know your Erdös number, you can use it in various ways, such as your, Remember, the distribution of Erdös numbers is such that almost every mathematician with a finite Erdös number has a number of less than 8—only about 2% are higher, and none is more than 15. Finally, there is the issue of which kind of Erdös number to use. Anyone who had published a paper with one of the collaborators (but not Erdös himself) would have an Erdös number of 2. ), Actually Mathematical Reviews provides an even easier method. I have finished updating all the coauthor lists, and I am slowly putting the new information onto this site. The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical (location map). Also, Sir Alec Guinnessappears in N is a Number with Erdös.

48309-4479 MI Once you know your Erdös number, you can use it in various ways, such as your license plate number. Rochester, Erdös numbers have been a part of the folklore of mathematicians throughout the world for many years. We’ve even heard about a horse who claimed to have an Erdös number of 3. https://mathworld.wolfram.com/ErdosNumber.html, Affinity or On a related note, in the spring of 2004, a consultant in Ann Arbor, Michigan, who has an Erdös number of 4 auctioned off his services on eBay, advertising that the winner would obtain Erdös number 5 upon successful completion of work leading to a publication. Hints help you try the next step on your own. To find out who Paul Erdös is, look at this biography at the MacTutor History of Mathematics Archive, or choose the “Information about Paul Erdös” link below. See our “Facts about Erdös Numbers and the Collaboration Graph” page for more details. This is the website for the Erdös Number Project, which studies research collaboration among mathematicians. One drawback of the MR system is that it considers all jointly authored works as providing legitimate links, even articles such as obituaries, which are not really joint research. Lewandowski, J.; Nurowski, P.; and Abramowicz, M. A.

MI

Weisstein, Eric W. "Erdős Number."

The Erdős number is the number of "hops" needed to connect the author of a paper with the prolific late mathematician Paul Erdős. Math. Figuring out one's Erdös number used to be a popular pastime with mathematicians, but now it can be done with a few clicks of the mouse; the online version of Mathematical Reviews has a feature called "Collaboration Distance" that produces a path of … The Erdös Number Project. Explore anything with the first computational knowledge engine. Computing My Erdős Number. An author in the MathSciNet database, Mutt, is a computer with an Erdös number of 2. Much applied mathematics, operations research, theoretical physics, mathematical economics, and computer science is included in MR, as well as pure mathematics. Our data are for Erdös numbers of the first kind, where a paper with k authors gives rise to C(k,2) edges. And so on. If you have published a paper reviewed in Mathematical Reviews (MathSciNet), we should be able to find you (send us a complete name and cite a publication or two). From MathWorld--A Wolfram Web Resource. (If it doesn’t, then bug them to subscribe! (location map). Unlimited random practice problems and answers with built-in Step-by-step solutions. Once you know your Erdös number, you can use it in various ways, such as your license plate number. Join the initiative for modernizing math education.

Truth.

(If you want to give the MathSciNet path-finder a workout, ask for the path from Arturo Robles to Karen L. Thompson, or vice versa. Truth. 146 Library Drive Both the names of the authors on the path and the (clickable) Mathematical Review numbers of the joint papers are displayed. Although Guinness' name is notin the credits, this gives Erdös a Bacon-Erdös number of 3.

Erdös himself may have an Erdös–Bacon number of 3, 4, or 6.Erdös' Erdös number is 0 by definition, and his Bacon number iscurrently 4 according to data from the Internet Movie Database.

You are visitor number since we started keeping track on July 3, 1996, using . However,one of the links is disputed on the Erdös Number Project website.Without this link, his Bacon number rises to 6. The site is maintained by Jerry Grossman at Oakland University.

Daniel Kleitman, a mathematician at MIT, was an advisor f… The #1 tool for creating Demonstrations and anything technical. Knowledge-based programming for everyone. See our “Facts about Erdös Numbers and the Collaboration Graph ” page for more details.

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