{ "id": "0807.3010", "version": "v25", "published": "2008-07-18T16:54:30.000Z", "updated": "2008-11-21T02:40:47.000Z", "title": "Some conjectures on addition and multiplication of complex (real) numbers", "authors": [ "Apoloniusz Tyszka" ], "comment": "11 pages, LaTeX2e, added various versions of Conjecture 5", "journal": "Int. Math. Forum 4 (2009), no. 9-12, pp. 521-530", "categories": [ "math.CA" ], "abstract": "We discuss conjectures related to the following two conjectures: (1) for each complex numbers x_1,...,x_n there exist rationals y_1,...,y_n \\in [-2^{n-1},2^{n-1}] such that \\forall i \\in {1,...,n} (x_i=1 \\Rightarrow y_i=1) \\forall i,j,k \\in {1,...,n} (x_i+x_j=x_k \\Rightarrow y_i+y_j=y_k) (2) for each complex (real) numbers x_1,...,x_n there exist complex (real) numbers y_1,...,y_n such that \\forall i \\in {1,...,n} |y_i| \\leq 2^{2^{n-2}} \\forall i \\in {1,...,n} (x_i=1 \\Rightarrow y_i=1) \\forall i,j,k \\in {1,...,n} (x_i+x_j=x_k \\Rightarrow y_i+y_j=y_k) \\forall i,j,k \\in {1,...,n} (x_i \\cdot x_j=x_k \\Rightarrow y_i \\cdot y_j=y_k)", "revisions": [ { "version": "v25", "updated": "2008-11-21T02:40:47.000Z" } ], "analyses": { "subjects": [ "03B30", "12D99", "14P05", "15A06", "15A09" ], "keywords": [ "conjectures", "multiplication" ], "tags": [ "journal article" ], "note": { "typesetting": "LaTeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0807.3010T" } } }