Japan-America Society: Luncheon with Ian Reader, a researcher at the Nordic Institute of Asian Studies in Denmark and author of "Religion in Contemporary Japan," 11:30 a.m., Tokai University. Topic is "Religion and Violence in Japan," focusing on the Aum Shinrikyo cult. Costs $17 general. Call 524-4450.
Hawaii Photographic Society: John Ogata leads a landscape workshop critique, 7:15 p.m., Makiki District Park. Call 536-4066.
Natural history lecture: Zoology professor John Stimson talks about the complexity and diversity found in coral reefs, which have been compared to tropical rain forests, 7:30 p.m., Waikiki Aquarium foyer. Doors open 7 p.m. Donation $4. Call 923-9741. Lectures by Hawaii researchers and educators continue every other Wednesday through May 15.
Brown Bag Biography: S.P. Udayakumar speaks on "J.P. Narayan and Total Revolution," noon, Biography Cottage 96-36, 1777 East-West Road. Call 956-3774.
Trumpet recital: By Rhona Barbosa, 1:30 p.m., Orvis Auditorium. Free. Call 956-8742.
"Networking Mixer": Join the Hawaii Hispanic Chamber of Commerce and Grupo Ciriaco, 5:30 to 8:30 p.m., Rumours, Ala Moana Hotel. Admission $3. Call 533-6903 or 521-5043.
Barnes & Noble: Constance Connelly from the Body Shop discusses aromatherapy, 7 p.m., Kahala Mall.
Hawaii Geographic Society: David Fanshawe, who spent 10 years documenting the musical and oral traditions of Polynesia, Micronesia and Melanesia, presents "One World - One Music," 7:30 p.m., Tenney Theatre. Fanshawe's "African Sanctus" composition, which blended the Latin Mass with African rhythms, was critically acclaimed. Admission $4. Call 538-3952.
Phi Beta Kappa lecture: Physics professor David Yount speaks on "Who Runs the University," 8 p.m., St. John Auditorium, UH-Manoa's Plant Science Building. Free. Call 956-3556.
Senior Citizens Fun Walk: Register 7:30 a.m. at Kapiolani Park Bandstand. Costs $6.
Music Break: Festival Band plays jazz, blues and R & B, noon, Tamarind Park.
Hawaii Pacific University: Free financial aid seminar, 12:15 p.m. Call 544-0238.
Wahiawa Pineapple Run: 6 a.m. to 1 p.m., Wahiawa District Park.
"How Will Hawaiian Sovereignty Affect Us?": Workshop with American Friends Service Committee, 8:30 a.m. to noon, Richards Street YWCA. Talk story at noon. Costs $3; lunch $5 or bring lunch. Register at 988-6266.
Lyon Arboretum: Hector Wong-Chan's African violets workshop ranges from propagating to repotting to growing hybrids, while Edwin Oka leads a similar workshop on dendrobium orchids, 9:30 to 11:45 a.m. Costs $15.50 plus $6 supply fee for violets, $10 supply fee for orchids. Call 988-7378.
Ikebana exhibition: Two-day floral exhibition in the Special Events Room at Liberty House, Ala Moana, opens with a ceremony at 9 a.m. More arrangements will decorate a banquet 5:30 p.m. Sunday at the Hawaii Prince Hotel. Reserve at 988-2564.
Teen Volunteer Fair: "Promoting Volunteerism in Youth" provides information on why, where and how to volunteer, 10 a.m. to 3 p.m., Ala Moana Centerstage. With comedian Augie Tulba, Roslyn Freitas, Justin, B.B. Shawn, the UH Rainbow Dancers and others. Call 595-8400 ext. 206.
MONDAY
American Needlepoint Guild: Project work, 7 p.m., Academy Art Center. Call 623-1433 evenings.
Recital: By soprano MiSung Bevett, 1:30 p.m., Orvis Auditorium. Free. Call 956-8742.
Recital: By mezzo-soprano Dana Reiss, 8 p.m., Orvis Auditorium. Free. Call 956-8742.