Anna Sergeyevna Kournikova Iglesias is a Russian model and television personality, and former professional tennis player. Her appearance and celebrity status made her one of the best known tennis stars worldwide. At the peak of her fame, fans looking for images of Kournikova made her name one of the most common search strings on Google Search.
Martina Hingis is a Swiss former professional tennis player. Hingis was the first Swiss player, male or female, to win a major title and to attain a world No. 1 ranking. She spent a total of 209 weeks as the singles world No. 1 and 90 weeks as the doubles world No. 1, holding both No. 1 rankings simultaneously for 29 weeks. Hingis won five major singles titles, 13 major women's doubles titles, and seven major mixed doubles titles, for a combined total of 25 major titles. In addition, she won the season-ending WTA Finals two times in singles and three in doubles, an Olympic silver medal in doubles, and a record 17 Tier I singles titles.
Stefanie Maria Graf is a German former professional tennis player. She won 22 major singles titles, the second-most in women's singles won since the start of the Open Era in 1968 and the third-most of all-time.
Serena Jameka Williams is an American former professional tennis player. Widely regarded as one of the greatest tennis players of all time, she was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 319 weeks, including a joint-record 186 consecutive weeks, and finished as the year-end No. 1 five times. Williams won 73 WTA Tour-level singles titles, including 23 major women's singles titles — the most in the Open Era, and the second-most of all time. She is the only player to accomplish a career Golden Slam in both singles and doubles.
Venus Ebony Starr Williams is an American inactive professional tennis player. A former world No. 1 in both singles and doubles, Williams has won seven Grand Slam singles titles, five at Wimbledon and two at the U.S. Open. She is widely regarded as one of the greatest tennis players of all time.
Justine Henin is a Belgian former world No. 1 tennis player. She held the top position for a total of 117 weeks, including as the year-end No. 1 in 2003, 2006 and 2007. Henin won 43 WTA Tour-level singles titles, including seven major titles, as well as an Olympic gold medal at the 2004 Athens Games and two Tour Finals titles. Coming from a country with little success in the sport, Henin helped establish Belgium as a leading force in women's tennis alongside Kim Clijsters, leading it to its first Fed Cup crown in 2001.
Monica Seles is a former world No. 1 tennis player who represented Yugoslavia and the United States. She won nine major singles titles, eight of them as a teenager while representing Yugoslavia, and the final one while representing the United States.
Maria Yuryevna Sharapova is a Russian former world No. 1 tennis player. She competed on the WTA Tour from 2001 to 2020 and was ranked world No. 1 in singles by the Women's Tennis Association (WTA) for 21 weeks. She is one of ten women to achieve the career Grand Slam. She is also an Olympic medalist, having won silver in women's singles at the 2012 London Olympics. She has been considered as one of the best female tennis players of her generation.
Dorian Morris Goldfeld is an American mathematician working in analytic number theory and automorphic forms at Columbia University.
Ester Balassini is an Italian hammer thrower. Her personal best throw is 73.59 metres, achieved in June 2005 in Brixen.
The Journal of Number Theory (JNT) is a monthly peer-reviewed scientific journal covering all aspects of number theory. The journal was established in 1969 by R.P. Bambah, P. Roquette, A. Ross, A. Woods, and H. Zassenhaus. It is currently published monthly by Elsevier and the editor-in-chief is Dorian Goldfeld. According to the Journal Citation Reports, the journal has a 2022 impact factor of 0.7.
Laura Robson is a British former professional tennis player. She debuted on the ITF Junior Circuit in 2007, and a year later won the Junior Wimbledon championships at the age of 14. As a junior, she also twice reached the final of the girls' singles tournament at the Australian Open, in 2009 and 2010. She won her first tournament on the ITF Women's Circuit in November 2008.
In statistics, the Goldfeld–Quandt test checks for heteroscedasticity in regression analyses. It does this by dividing a dataset into two parts or groups, and hence the test is sometimes called a two-group test. The Goldfeld–Quandt test is one of two tests proposed in a 1965 paper by Stephen Goldfeld and Richard Quandt. Both a parametric and nonparametric test are described in the paper, but the term "Goldfeld–Quandt test" is usually associated only with the former.
Esther Renay Dean, known professionally as Ester Dean, is an American singer-songwriter and record producer. She rose to prominence as a pop songwriter in the late 2000s and wrote numerous hit songs for singers including Rihanna, Katy Perry, Britney Spears, Nicki Minaj, and Beyoncé through the 2010s. She has acted in numerous films, including the 2012 musical comedy Pitch Perfect and its sequels.
"Drop It Low" is the debut single by American singer and songwriter Ester Dean. The official version features vocals from R&B singer Chris Brown. This was also released as the second single from the soundtrack for the film More than a Game (2009). The original version of the song did not feature Chris Brown, and maintained the same lyrics on the second verse but coming from a man's perspective. The official remix features Lil Wayne, Trey Songz and Diddy.
Sloane Stephens is an American professional tennis player. She has achieved a career-best ranking of world No. 3 by the WTA. Stephens has won seven WTA Tour-level singles titles, including the 2017 US Open. She also has a career-high doubles ranking of No. 63 and has won one WTA title.
Goldfeld is a Jewish East European surname, common among Ashkenazi Jews. Its meaning is 'gold field'.
The 2011 EmblemHealth Bronx Open was a professional tennis tournament played on hard courts. It was the 12th edition of the tournament which is part of the 2011 ITF Women's Circuit. It took place in The Bronx, United States between 8 and 14 August 2011.
Algebraic Eraser (AE) is an anonymous key agreement protocol that allows two parties, each having an AE public–private key pair, to establish a shared secret over an insecure channel. This shared secret may be directly used as a key, or to derive another key that can then be used to encrypt subsequent communications using a symmetric key cipher. Algebraic Eraser was developed by Iris Anshel, Michael Anshel, Dorian Goldfeld and Stephane Lemieux. SecureRF owns patents covering the protocol and unsuccessfully attempted to standardize the protocol as part of ISO/IEC 29167-20, a standard for securing radio-frequency identification devices and wireless sensor networks.
Ester Alexandra Crețu, known professionally as Ester Peony, is a Romanian singer and songwriter. She represented Romania in the Eurovision Song Contest 2019 with the song "On a Sunday" after winning the selection show Selecția Națională 2019. However, she failed to qualify for the Grand Final in Tel Aviv. Peony started to compose music for Romanian artists before gaining recognition for posting covers on YouTube in 2015. Later that year, she attained commercial success in Romania with her single "Sub aripa ta" featuring Vescan.
