Let us know how you did in the comments below, or on social media!

Solution After the Break:

## Tuesday, May 23, 2017

## Thursday, May 18, 2017

### Advanced Knowledge Problem of the Week: 5-18-17

Let us know what you think of this AKPotW on social media, or in the comments below!

Solution below the break!

Solution below the break!

## Tuesday, May 16, 2017

### Problem of the Week: 5-16-17

Check out this week's problem, and let us know how you did in the comments below or on social media!

## Friday, May 12, 2017

### Mothers in Mathematics

## Happy Mother's Day From the Center of Math!

No amount of mathematical talent in someone's nature can make them into a great mathematician, and in this article, we will acknowledge a mother behind a great mathematician who nurtured her son and sacrificed her own career to give him the best opportunity to succeed.

Read about an important mother in mathematics after the break.

## Thursday, May 11, 2017

### Advanced Knowledge Problem of the Week: 5-11-17

Check out this week's problem, and let us know how you did in the comments below or on social media!

Solution below the break.

## Tuesday, May 9, 2017

### #NationalTeachersDay -- Rosenthal Prize and Edyth May Sliffe Award

Google's google.com image doodle for May 9, 2017 |

On this national Teachers' Day we recognize the teachers we love.

Here's your chance, math masses! Be sure to share your appreciation. Know an amazing mathematics teacher? Check out the National Museum of Mathematics' 2017 Rosenthal Prize.

You might also like to check out the Mathematical Association of America's Edyth May Sliffe Award.

### Problem of the Week: 5-9-17

Check out this week's problem, and let us know how you did in the comments below or on social media!

Solution below the break.

## Tuesday, May 2, 2017

### Problem of the Week: 5-2-1

## Friday, April 28, 2017

### The WCoM Peano Drop

## Thursday, April 27, 2017

### Advanced Knowledge Problem of the Week: 4-27-17

## Wednesday, April 26, 2017

### Welcome to the Center: New Introduction videos on Facebook and YouTube

Our Facebook page primarily serves as a place for our community to gather, and a hub to navigate around the Center of Math with ease. Visit the Facebook page and join the collective! Once on the page, you can click the learn more button to go to our main site, or use the menu on the left to explore more. Don't forget to like us on FB to stay in the loop.

The YouTube video helps serve as a starting point to our overwhelming library of math videos. Check it out yourself, and don't hesitate to dive right into our content! If you need some more direction, our 'playlists' tab is a great place to start, or just use the spotlight search to find a specific topic. Drop a subscribe if you like what you see, to never miss another math video.

These features are explained in greater detail in the welcome videos, so give them a watch, and we'll see you soon!

-Worldwide Center of Math.

## Tuesday, April 25, 2017

### Problem of the Week: 4-25-17

## Monday, April 24, 2017

### Math Madness 2k17 Champion!

## The Math Madness 2k17 Champion is Here!

See who won after the break.

## Thursday, April 20, 2017

## Tuesday, April 18, 2017

### Problem of the Week: 4-18-17

## Thursday, April 13, 2017

### Advanced Knowledge Problem of the Week: 4-13-17

Check out this week's ADVANCED problem, and let us know how you did in the comments below or on social media!

Solution below the break.

### WCoM Basics: Differential Equations

## A Quick Overview of the Concepts Behind Differential Eqs

Details after the break.

## Tuesday, April 11, 2017

### Problem of the Week: 4-11-17

## Thursday, April 6, 2017

### Advanced Knowledge Problem of the Week: 4-6-1

Check out this week's ADVANCED problem, and let us know how you did in the comments below or on social media!

Solution below the break.

## Tuesday, April 4, 2017

### WCoM Donates Statistics Textbooks

The Worldwide Center of Mathematics recently had some winter weather make its way into a stock room and slightly damage a number of Introduction to Statistics: Think & Do (Stevens).

The damaged books will not be sold and instead will be donated.

The recipient(s) include: Siem Reap at Life and Hope Association and Phnom Penh at People Improvement Organization. Both organizations are in Cambodia.

The damaged books will not be sold and instead will be donated.

The recipient(s) include: Siem Reap at Life and Hope Association and Phnom Penh at People Improvement Organization. Both organizations are in Cambodia.

Water-damaged books prepared for donation. |

### Problem of the Week: 4-4-17

## Thursday, March 30, 2017

### Advanced Knowledge Problem of the week: 3-39-1

Check out this week's ADVANCED KNOWLEDGE Problem of the Week! Let us know how you did!

Solution below the break.

Solution below the break.

## Tuesday, March 28, 2017

## Monday, March 27, 2017

## Friday, March 24, 2017

### Dr. Esole at The Center 3-31-17!

Mark your calendars for Friday, March 31st! Mboyo Esole is coming to the Worldwide Center of Mathematics to present his research on a new pushforward measure, and its applications. Find more information on the poster below.

For more of the WCoM research series, visit our website.

Contact us at info@centerofmath.org if you are interested in presenting your research.

Contact us at info@centerofmath.org if you are interested in presenting your research.

## Thursday, March 23, 2017

### Advanced Knowledge Problem of the Week: 3-23-17

Check out this week's ADVANCED KNOWLEDGE Problem of the Week! Let us know how you did!

Solution below the break.

Solution below the break.

## Tuesday, March 21, 2017

## Monday, March 20, 2017

### Math Madness Week Two

Math madness week one has drawn to a close, and so now where sixteen brilliant minds once stood, only eight remain. A few matches stood out with some nail-biting action, while most others were won in landslide fashion. Namely, the come-from-behind victory pulled off by Ada Lovelace to defeat Hausdorff really rocked the boat. I gotta say, the action in those few close matches may not have been enough to make for the most thrilling week of sports, but I'm looking at this week's bracket ant it is looking to be a thriller.

Our first match features Turing and Cauchy, two mathematicians who blew away their opponents last week. Fans are going to have to make a tough choice here, so I have a feeling it will come down to the bone on this limb of the bracket.

Coming up after that, it's the battle of physicists: Poincare and Maxwell. Will Poincare's work on chaotic systems beat out Maxwell's ordering and unification of electro-magnetic waves? I think Maxwell may be in for an upset defeat, as last week he struggled to edge out a win against Emile Borel, but only time can answer this question, who will move on to the final four?

This next match is a face-off between Lovelace and Ramanujan, and perhaps the most high profile game this week. These two mathematicians are world renowned, making this duel as close to a celebrity match this year's tournament will see.

And finally, Lebesgue and Abel will vie for a spot in the final four. While both competitors pulled off

a comfortable victory last week, neither one flat out blew away the competition, so I feel slightly lukewarm about this matchup. Either way, the victor will have to go up against Ramanujan or Lovelace, and that will be the real test.

Signing off from the Worldwide Center of Mathematics, this has been your introduction to week two of #MATHmadness2k17. Vote Here

Our first match features Turing and Cauchy, two mathematicians who blew away their opponents last week. Fans are going to have to make a tough choice here, so I have a feeling it will come down to the bone on this limb of the bracket.

Coming up after that, it's the battle of physicists: Poincare and Maxwell. Will Poincare's work on chaotic systems beat out Maxwell's ordering and unification of electro-magnetic waves? I think Maxwell may be in for an upset defeat, as last week he struggled to edge out a win against Emile Borel, but only time can answer this question, who will move on to the final four?

This next match is a face-off between Lovelace and Ramanujan, and perhaps the most high profile game this week. These two mathematicians are world renowned, making this duel as close to a celebrity match this year's tournament will see.

And finally, Lebesgue and Abel will vie for a spot in the final four. While both competitors pulled off

a comfortable victory last week, neither one flat out blew away the competition, so I feel slightly lukewarm about this matchup. Either way, the victor will have to go up against Ramanujan or Lovelace, and that will be the real test.

Signing off from the Worldwide Center of Mathematics, this has been your introduction to week two of #MATHmadness2k17. Vote Here

## Friday, March 17, 2017

### Mathematical Things to do This St. Patty's Day Weekend

As spring slowly thaws the ice from the ground, we celebrate the life of the foremost patron saint of Ireland, Saint Patrick. The holiday is celebrated all over the world, with shamrocks and green clothing galore! Here is a list of a few (slightly) mathematical things you can do this weekend to celebrate.

## Thursday, March 16, 2017

### Advanced Knowledge Problem of the Week: 3-16-17

Check out this week's ADVANCED KNOWLEDGE Problem of the Week! Let us know how you did!

Solution below the break.

Solution below the break.

## Monday, March 13, 2017

### Problem of the Week: 3-14-17

Check out this week's Problem of the Week! Let us know how you did in the comments or on social media!

Solution below the break.

Solution below the break.

## Thursday, March 9, 2017

### Advanced Knowledge Problem of the Week: 3-9-17

Check out this week's Advanced Knowledge Problem of the Week on bilinear and quadratic forms! let us know what you thought and/or how you did in the comments below or on social media.

Solution below the break.

Solution below the break.

## Tuesday, March 7, 2017

### Problem of the Week: 3-7-17

Check out this week's PotW! Let us know how you did in the comments below, or on social media!

Solution below the break.

Solution below the break.

## Thursday, March 2, 2017

## Tuesday, February 28, 2017

### Problem of the Week: 2-28-17

Check out this week's PotW, and let us know how you did in the comments or on social media!

Solution below the break.

Solution below the break.

## Friday, February 24, 2017

### Advanced Knowledge Problem of the Week: 2-24-17

Check out this week's AKPotW, and try to prove if a sequence converges! Let us know how you did in the comments!

Solution below the break.

## Wednesday, February 22, 2017

### African American Mathematicians: Katherine Johnson

With the
2017 Oscars just around the corner, it seems fitting to dedicate this week’s
African American History Month post to Katherine Johnson, one of the central
characters in Hidden Figures. The Hollywood hit focuses on Katherine’s career
at NASA, and her struggle to be recognized for her brilliant work in the field
and not for her race, but as a child and thorough her life she always had the
problem of racism over her head.

The 2017 story of Katherine's work on the Apollo Missions |

Growing up in White Sulfur Springs, WV, Katherine was influenced by her mother, who was a teacher, and took to mathematics at a young age. She breezed through elementary and middle school, but didn’t have a local high school option in her county due to her race. Understanding her gift, Katherine’s parents enrolled her in a high school across the state and split time between Institute and White Sulfur Springs. Katherine would end up graduating high school at the age of fourteen, and would go on to West Virginia State College to continue her study of math.

While in college,
Katherine took every single math class that was offered, and grew close to
several faculty members, who pushed to add more classes in order to fulfill
Katherine’s desire to learn. At the age of eighteen, Katherine graduated at the
top of her class and was accepted as one of the first African American students
at West Virginia Universities’ graduate program.

Katherine Johnson when she was at NASA |

At this point it seems fitting to talk about Katherine’s fantastic career at NASA and the NACA, but I will leave that story to be told by the movie Hidden Figures. Regardless, Katherine’s achievements are inspiring to many people across the world, and she continues to inspire aspiring mathematicians to this day.

## Tuesday, February 21, 2017

## Thursday, February 16, 2017

### Advanced Knowledge Problem of the Week: 2-16-17

Check out this weeks AKPotW! Let us know how you did on social media or in the comments below!

Solution below the break.

Solution below the break.

## Wednesday, February 15, 2017

### African American Mathematicians: Elbert Frank Cox

Elbert Frank Cox, born in 1895, Broke down one of the most
important barriers for African Americans living in America before the Civil
Rights Movement when he became the first African American person to earn a PhD.
Elbert overcame great challenges due to racism, and strived to reduce the education
gap between minorities and white men that was curated by a brutal system of
inequality. Second to his passion for mathematics was his desire to learn about
the world around him, and to teach others about that beautiful world.

Elbert Cox in his graduation gown. |

As a young boy, Elbert was no stranger to segregation. He
grew up going to an all black school that was located in a racially mixed
neighborhood, a combination that bread more turmoil than peace, but his father,
a principal at a local school, was keen on teaching the growing kid the
importance of education. In high school, Elbert showed a keen understanding of
math and physics, and was directed to further his math career at the University
of Indiana.

While in college, Elbert was a great student, and showed
interest in physics, chemistry, biology, Philosophy, Latin, German, and
English. With this intense course load, he kept himself bust until he graduated
with a degree in mathematics along with three other African American
students. In 1917, Elbert put his career
on hold when he was shipped to France to fight in World War 1. When he returned, Elbert taught math at a
high school in Kentucky until 1921, when he decided to apply for the graduate
program at Cornell.

While studying difference equations for his thesis, Elbert met
William Lloyd Garrison, who would become
his thesis advisor. As a graduate
student, Elbert began teaching classes at Shaw University, and showed an
immense capacity to teach well. Elbert grew closer to William, who also was a
journalist with a drive to bring equality to the United States. As Elbert was
finishing up his dissertation, William urged him to publish his PhD thesis in
another country so that his claim as the first black person in the world to
gain a PhD would be recognized.

Elbert then went on
to continue teaching, and served as a professor at West Virginia State
University for four years, then moved to Howard University where his legacy
began to take shape. At Howard, Elbert was the head chairman of the board of
mathematics, and did what he could to put a PhD program into place.

-->

Elbert Frank Cox
died in 1969, and was unable to see the inauguration of Howard University’s PhD
program, but was honored with the beginning of the Elbert F Cox Scholarship
Fund that would help many under-privileged people get a college education.

http://www.biography.com/people/elbert-frank-cox-12816713#synopsis

http://www.maa.org/programs/underrepresented-groups/summa/summa-archival-record/elbert-frank-cox\

__sources:__http://www.biography.com/people/elbert-frank-cox-12816713#synopsis

http://www.maa.org/programs/underrepresented-groups/summa/summa-archival-record/elbert-frank-cox\

## Tuesday, February 14, 2017

### Problem of the Week: 2-14-17

## Thursday, February 9, 2017

### Advanced Knowledge Problem of the Week: 2-9-17

Check out our AKPotW on rings! let us know how you did in the comments below or on social media!

Solution below the break.

## Wednesday, February 8, 2017

### The Career Mathematician, Vol. 1 — Dr. Walter Sun

So you love mathematics. What next?

*The Career Mathematician*highlights interesting and relevant work and insights offered by professional mathematicians, statisticians, logicians and more.

*The Career Mathematician, Vol. 1 -- Dr. Walter Sun*
Ever wonder how predictive technology works? Click here to learn how the

*Principal Applied Science Manager*and*Bing Predicts Team Lead*, Dr. Walter Sun, leverages technology and some careful calculations to improve Microsoft's "Bing Predicts" feature.
Not sure this is the career for you? Click the image below for some inspiration.

### African American in Mathematics: Gloria Ford Gilmer

Last week’s article covered Benjamin Banneker, an African American mathematician who
lived in the 18

^{th}century and worked with Thomas Jefferson on scientific and social issues. Much has happened in America since then, but African Americans are still greatly under represented in the field of mathematics. Gloria Ford Gilmer’s passion for math surpasses the disadvantages of being a woman of color in the field, and has contributed a whole lot to mathematics as a student and as a teacher.Gloria Ford Gilmer in 1999. |

Born in Baltimore, Maryland, Gloria
attended Morgan State University in the 1950’s, where she studied under
Clarence Stephens, a prolific African American Mathematician. Her love for math
was deeper than simply attaining a PhD, and she published two papers alongside
Clarence as an undergraduate on the subject of Eigen function series. Her
achievement drove her to become the first African American woman without a PhD
to publish a math paper. Gloria went on to earn a BS from Morgan University and
an MA from the University of Pennsylvania; she would go on to earn a PhD in
curriculum and instruction, but first took a break from her studies to teach
and care for her family.

Before she gained a PhD, Gloria
taught at six different historically black universities and became an
inspiration to many minorities and women through teaching, all while her
personal life bloomed with a marriage and children. For two years in the beginning of the 1980’s
Gloria represented African American Women on the board of the Mathematical
Association of America, and was the first woman of color to do so.

In 1985, Gloria co-founded and
became the president of the International Study Group of Ethnomathematics, and
was leading the field of ethno mathematics, the study of mathematical structures
in certain cultures. Gloria has worked in the field to bring the rich
complexity of mathematics and African American culture together, and provided a
platform that reaches a wide variety of people due to its interesting
mathematical nature.

-->

Photo from Gilmer's 1998 paper, Mathematical Patterns in African American Hairstyles. |

Gloria died in 1999, but continues to be an inspiration to many people thanks to her drive and love for
mathematics, not to mention her great accomplishments in and for the world of under
represented groups in mathematics.

https://en.wikipedia.org/wiki/Gloria_Ford_Gilmer

http://www.math.buffalo.edu/mad/PEEPS/gilmer_gloria.html

https://www.agnesscott.edu/lriddle/women/gilmer.htm

http://www.math.buffalo.edu/mad/special/gilmer-gloria_HAIRSTYLES.html

__Sources:__https://en.wikipedia.org/wiki/Gloria_Ford_Gilmer

http://www.math.buffalo.edu/mad/PEEPS/gilmer_gloria.html

https://www.agnesscott.edu/lriddle/women/gilmer.htm

http://www.math.buffalo.edu/mad/special/gilmer-gloria_HAIRSTYLES.html

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