Lorentzian isothermic surfaces and Bonnet pairs
Volume 83 / 2004
                    
                    
                        Annales Polonici Mathematici 83 (2004), 129-139                    
                                        
                        MSC: Primary 53A35.                    
                                        
                        DOI: 10.4064/ap83-2-4                    
                                    
                                                Abstract
Lorentzian surfaces in Lorentz three-space are studied using an indefinite version of the quaternions. A classification theorem for Bonnet pairs in Lorentz three-space is obtained.