Principal diagonal

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Principal, Principal parts, Principal dancer, Vice-principal, Principal Financial Group, Principal–agent problem, Principal bundle, Principal (academia), Principal of the University of Glasgow, Connection (principal bundle), Principal Clerk of Session and Justiciary, Principal axis, Sheriff principal, The Principal and the Pauper, Principal component analysis, Principal Skinner, Victoria Principal, Principal meridian, Principal teacher, Teatre Principal de Maó, Principal Feast, Principal investigator, Principal Holy Day (Anglicanism), Principal direction, Principal curvature, The Principal Upanishads, Principal Galaxies Catalogue, The Principal, Principal Hotel Company, Principal naval transport officer (Royal Navy), Fourth principal meridian, Principal Cordillera, Fifth principal meridian, List of Welsh principal areas, Sixth principal meridian, Principal city, Principal Secretary, Princess Principal: Crown Handler, Cauchy principal value, Principal ideal ring, Principal areas of Wales, Principal Secretary (Canada), Principal Edwards Magic Theatre, Principal quantum number, Principal (music), Principal secretary (India), Principal type, Third principal meridian, Principal of the University of St Andrews, Principal area, Principal council, List of principals of Brasenose College, Oxford, First principal meridian, Principal series, Second principal meridian, Principal Group, Principal photography, Principal Register, Multilinear principal component analysis, Principal component regression, Principal trade, Principal Upanishads, Principal officials of Hong Kong, List of principals of King's College London, List of Principal Chiefs of the Cherokee, Vice Principals, Principal Private Secretary to the Prime Minister of the United Kingdom, Principal (computer security), Principal response curve, List of principal leaders of the Crusades, List of principals of Somerville College, Oxford, Principal Solicitor for Ireland, Krull's principal ideal theorem, John Lee (university principal), Principal Charity Classic, Teatro Principal de València, Principal U(1)-bundle, Principal Stakes, Principal ideal domain, Principal series representation, Principal form of a polynomial, Wellcome Trust Principal Research Fellowship, List of principals of the University of Aberdeen, Principal warfare officer, List of First and Principal Naval Aides-de-Camp, Principal protected note, Principal SU(2)-bundle, List of species and habitats of principal importance in England, Principal orbit type theorem, Principal sensory nucleus of trigeminal nerve, Principal gerbil, Principal variation search, Principal interacting orbital, General Securities Principal Exam, Uniform Principal and Income Act, The Principal (Vice Principals), List of principals and fellows of Jesus College, Oxford, Principal Richard Pound, List of Phillips Exeter Academy principals, Principal Triangulation of Great Britain, National Association of Secondary School Principals, List of principals of Hertford College, Oxford, Ascending chain condition on principal ideals, Uniform Fiduciary Income and Principal Act, List of principals of the University of Edinburgh, Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs, The Principal's Office, Principal (commercial law), Principal curvature-based region detector, Partially disclosed principal, Principal value, Go and Ask Peggy for the Principal Thing, Structure theorem for finitely generated modules over a principal ideal domain, Principal Olivil, North and East of First Principal Meridian, Principal, Ecuador, Principal ideal, Ribeira Principal, Head teacher, Papel Principal, Principal Tower, Principal Place, Principal branch, Engin Principal du Génie, Principal (Catholic Church), List of Principals of Elizabeth College, Guernsey, List of principals of Lady Margaret Hall, Oxford, Principal Park, Robert Howie (principal), L1-norm principal component analysis, Ten principal disciples, Principal boy, Princess Principal, Ape Principal, Principal part, Principal Charming, Alameda Principal, Principal Painter in Ordinary, Multiple principal problem, Leader of the Green Party of England and Wales, El Principal Airport, Principal balance, Matthew Smyth (principal), Undisclosed principal, Principal point, Robert Boyd (university principal), Principal stratification, Principal (criminal law), List of principals of Green Templeton College, Oxford, Cardinal point (optics), Principal Theatre (Pontevedra)