By Li-mei Hoang LONDON (Reuters) – London Fashion Week will showcase the British capital’s reputation for creativity and digital innovation when it opens on Friday, amid signs the global luxury market is strengthening. Fashion favourites such as Burberry, Paul Smith and Tom Ford will vie with edgy youth labels Christopher Kane, Peter Pilotto and Simone Rocha in catwalk shows and presentations. “London is the most creative and experimental of cities. It is all about emerging talent and new ideas,” said Helen David, fashion director at luxury department store Harrods.