# Prithwijit De

**Alumnus of Indian Statistical Institute, Kolkata (B.Stat, M.Stat) and National University of Ireland, Cork (Ph.D) **

**Professional Experience: **

1. Reader at Homi Bhabha Centre for Science Education.

2. Associated with the Mathematical Olympiad programme (http://olympiads.hbcse.tifr.res.in/subjects/mathematics/mathematics-cell) in India. I have participated as a resource person for various Mathematics Olympiad training camps at both regional (RMOTC) and national level (INMOTC).

3. i) Deputy Leader of the Indian team to the International Mathematical Olympiad 2011, Amsterdam, The Netherlands.

ii) Observer A of the Indian team to the International Mathematical Olympiad 2014, Cape Town, South Africa.

4. Member of the Editorial Committee of ''At Right Angles'', a publication
of Azim Premji University together with Community Mathematics Centre, Rishi Valley, India (http://www.azimpremjiuniversity.edu.in/publications).

##
**Educational Qualification: **

1. B. Stat (Hons), Indian Statistical Institute, Kolkata.

2. M. Stat, Indian Statistical Institute, Kolkata.

3. Ph.D (Statistics), National University of Ireland, Cork, Republic of Ireland.

**Publications**:

**I. Articles**

1. A Golden Maximum.

Prithwijit De

Mathematical Spectrum (U.K), pp. 132-133, May, 2014.

2. A Fair Division.

Prithwijit De, Sneha Titus, Swati Sircar

At Right Angles (India),pp.31-34,Vol. 3, No.1,March,2014

3. Always a Cube.

Prithwijit De

Mathematical Spectrum (U.K), pp.29-33, September, 2012.

4. A Sweetseller’s Trick.

Prithwijit De

At Right Angles (India), pp. 17-19, Vol 1, No. 1, June, 2012.

5. Height of Difficulty.

Prithwijit De

Mathematical Spectrum (U.K), pp. 80-85, January, 2012.

6. Message in a Bottle.

Prithwijit De

Mathematical Spectrum (U.K), pp. 50-52, January, 2011.

7. A Pouring Problem.

Prithwijit De

Mathematical Spectrum (U.K), pp. 3-5, September, 2010.

8. Caught up in a Box.

Prithwijit De

Mathematical Spectrum (U.K), pp. 115-121, May, 2010.

9. A Farmer and a Fence.

Prithwijit De

Mathematical Spectrum (U.K), pp.75-82, January, 2010.

10. Curious properties of the circumcircle and incircle of an equilateral triangle.

Prithwijit De

Mathematical Spectrum (U.K), pp.32-36, September, 2008.

11. A pair of insoluble Diophantine equations arising from an equilateral triangle.

Prithwijit De

Mathematical Gazette (U.K), July, 2008.

12. Radii of touching circles: a trigonometric solution.

Prithwijit De

Mathematical Spectrum (U.K), pp. 70-74, January, 2009.

13. From Immersion Heaters to Buoys.

Prithwijit De, Des MacHale

Mathematical Gazette (U.K), pp.519-521, November, 2007.

**II**. **Problems for which my solution was either published or acknowledged. **

### 1. **American Mathematical Monthly (MAA publication)**

website: **http://www.maa.org/publications/periodicals/american-mathematical-monthly**

11630 (pp. 86-87, Jan, 2014) (Solution published)

11622 (pp. 946-947, Dec, 2013)

11596 (pp. 472-473, May, 2013)

11554 (pp. 703-704, Oct, 2012)

11552 (pp. 702-703, Oct, 2012) (Solution published)

11550 (pp.614-615, Aug-Sep, 2012)

11509 (pp.429-430, May 2012)

11511 (pp.69-70, January, 2012)

11492 (pp.850, November, 2011)

11486 (pp.849-850, November, 2011)

11457 (pp.378,April, 2011)

11443 (pp.278,March, 2011)

11386 (pp.463-444,May, 2010)

11385 (pp.285,March, 2010)

11357 (pp.184-185, February, 2010)

11325 (pp.653-654, Aug-Sep, 2009)

11306 (pp.88-89,Jan, 2009)

11301 (pp.85-86,Jan, 2009)

11289 (pp.764,Oct, 2008)

11275 (pp.670-671,Sep, 2008)

11245 (pp.467-468,May, 2008)

11263 (pp.371-372,April, 2008)

11240 (pp.172,February, 2008)

11228 (pp.77,January, 2008)

11177 (pp.838,November, 2007)

11210 (pp.749,October, 2007)

11211 (pp.749-750,October, 2007)

11225 (pp.750,October, 2007)

11160 (pp.454,May, 2007)

11168 (pp.456,May, 2007)

10483 (pp.568-569,Jun-Jul, 2006)

**2. Crux Mathematicorum** (**A renowned problem solving journal published by the Canadian Mathematical Society**)

website: **https://cms.math.ca/crux/**

Jun 2014: 3753 (pp. 279-280), 3755 (pp. 281-282)

May 2014: 3749 (pp. 242-243)

April 2014: 3731 (pp.189)

March 2014: 3727 (pp.151-152) (solution published), 3728 (pp.153)

June 2013: 3660 (pp.256)

May 2013: 3643 (pp.203), 3647 (pp. 208 - 209) (solution published)

April 2013: 3632 (pp.154-155), 3635 (pp. 158-159)

March 2012: 3627 (pp.116-117)

February 2012: 3611 (pp.71)(solution published), 3613 (pp.73)

January 2012: 3609 (pp.39-40)

December 2011: 3598 (pp.556-557)

November 2011: 3576 (pp.463-464), 3577 (pp.464-465)

October 2011: 3556 (pp.395-396)

April 2011: 3528 (pp.178-179), 3532 (pp.184-185)

Mar 2011: 3514 (pp.117), 3525 (pp.127)

Feb 2011: 3505 (pp.57)

**3. The College Mathematics Journal** **(MAA publication)**

website: **http://www.maa.org/publications/periodicals/college-mathematics-journal/the-college-mathematics-journal**

May 2014: 1003 (pp.224-226)

March 2014: 998 (pp.148-149)

January 2014: 995 (pp.63-64)

November 2013: 989 (pp. 442-444)

March 2013: 971 (pp.143), 972 (pp.144), 973 (pp.144-146), 974 (pp.146-147)(solution published), 975 (pp.147-148)

September 2009: 883 (pp.297-299), 885 (pp.301-303)

May 2009: 877 (pp.217-218)

**4. The Mathematical Gazette (UK)**

website: **http://www.m-a.org.uk/jsp/index.jsp?lnk=620**

July 2012: 95.I (pp.352)

**5. Mathematics Magazine** **(MAA publication) **

website: **http://www.maa.org/publications/periodicals/mathematics-magazine**

February 2014: 1911 (pp.63)

December 2013: 1906 (pp. 383)

April 2013: 1891 (pp.148-149)

June 2012: 1873 (pp.231-232)

April 2008: 1767 (pp. 157)

October 2007: 1754 (pp.312)

April 2007: 1743 (pp. 148), 1744 (pp. 148-149)

February 2007: 1736 (pp.78-79), 1738 (pp.80)

June 2006: 1723 (pp.221-222)

**6. Irish Math.Soc.Bulletin**

website:** http://www.maths.tcd.ie/pub/ims/bulletin/**

Winter 2012: 68.2 (pp.70-71) (Solution published)

Winter 2013: 70.1 (pp.102-103) (Solution published)

**7. Mathematical Excalibur (Hong Kong)**

website: **https://www.math.ust.hk/excalibur/**

Problem 415 (pp.4, Vol. 17, No. 5, March-April, 2013)

### 8. Mathematical Reflections {http://awesomemath.org/mathematical-reflections/}

Mathematical Reflections 2 (2014): J295 (pp.1)

Mathematical Reflections 3 (2013): J265 (pp.1).

Mathematical Reflections 1 (2013): J256 (pp.4), S253 (pp.7).

Mathematical Reflections 6 (2012): J249 (pp.3), S247 (pp.7), S248 (pp.8).

Mathematical Reflections 5 (2012): J243 (pp.3), S241 (pp.7), S245 (pp.11), O241 (pp.21).

Mathematical Reflections 4 (2012): J235 (pp.1), J237 (pp.3), S235 (pp.7).

Mathematical Reflections 2 (2012): J223 (pp.1), J225 (pp.3), S224 (pp.8), S228 (pp.12).

Mathematical Reflections 6 (2011): S211 (pp.7).

Mathematical Reflections 5 (2011): J199 (pp.1), J200 (pp.2), S201 (pp.9).

Mathematical Reflections 3 (2011): J188 (pp.2), J191 (pp.5), J192 (pp.6-7), S187 (pp.8), S190 (pp.11).

Mathematical Reflections 2 (2011): S181 (pp.8).

Mathematical Reflections 1 (2011): J175 (pp.1).

Mathematical Reflections 4 (2010): J163 (pp.1), J167 (pp.6), S164 (pp.11), S168 (pp. 17-18).

## III. Problems whose solutions were submitted and awaiting publication/acknowledgement

1. American Mathematical Monthly: 11663, 11670, 11690, 11714, 11737, 11754, 11758.

2. CRUX Mathematicorum: 3763, 3782, 3783, 3807, 3808, 3812, 3814, 3816, 3818, 3822, 3828, 3832, 3833, 3834, 3841.

3. The College Mathematics Journal:

4. Mathematics Magazine: 1936, 1942.

5. Mathematical Reflections: J308, J311, J312, S307, U309.

## Teaching Experience at Undergraduate Level:

1. Aug-Dec, 2012: **Discrete Mathematics **at **Centre for Excellence in Basic Sciences, Mumbai.**

2. Aug-Dec, 2013: **Introduction to Calculus** at **Centre for Excellence in Basic Sciences, Mumbai.** (course shared)

## **Involvement in the Mathematical Olympiad Programme:**

**International Level**

2014: Observer A

2011: Deputy Leader of the Indian IMO team.

**National Level**

1. Faculty for the International Mathematical Olympiad Training Camp (IMOTC).

2. Faculty for the following Indian National Mathematical Olympiad Training Camp(s) (INMOTC)

∗ 2014: Bangalore, Karnataka; Dhamtari, Chhattisgarh; Chennai, Tamil Nadu.

∗ 2013: Chandigarh, Punjab; Raipur, Chhattisgarh; Chennai, Tamil Nadu.

∗ 2012: Durg, Chhattisgarh; Kolkata, West Bengal; Chennai, Tamil Nadu.

∗ 2010: Mumbai, Maharashtra.

**Regional Level**

Faculty for the following Regional Mathematical Olympiad Training Camp(s) (RMOTC)

∗ 2013: Jawahar Navodaya Vidyalaya, Thiruvananthapuram; Atomic Energy Central School 4, Aunushaktinagar, Mumbai;

∗ 2012: Jawahar Navodaya Vidyalaya, Thiruvananthapuram; Atomic Energy Central School 4, Aunushaktinagar, Mumbai; Parle Tilak

Vidyalaya, Vile Parle, Mumbai.

∗ 2011: Atomic Energy Central School 4, Anushaktinagar, Mumbai.

∗ 2010: Atomic Energy Central School 4, Anushaktinagar, Mumbai.

## Talks/Lectures

June, 2013: Delivered a talk on “Misconceptions in Mathematics” in a programme entitled “Innovative Teaching Techniques” organized by

BASE, Mumbai.

February, 2013: Conducted a session on Geometry for Teacher Educators from Gujarat. This was a part of the Teachers’ Professional Development

programme held at HBCSE.

September, 2012: Delivered a talk on mathematical problem solving to school teachers at a workshop organised by BASE at Nehru Science Centre, Mumbai.

February, 2012: Delivered a talk at the NCERT camp at HBCSE, Mumbai

December, 2011: Delivered a talk at the INSPIRE camp at Vaze College, Mumbai.

December, 2011: Delivered two lectures at the Professional Development and Technology Orientation Programme (PDTO) workshop organized by

the Department of Mathematics, Indian Institute of Tecnology, Mumbai.

October, 2011: Delivered a talk on Geometry at a science camp entitled New Horizon of Science organized by Jagadish Bose Science Talent

Search, Kolkata in association with DST, Govt. of India.

February, 2011: Delivered two lectures to NTS awardees at HBCSE, Mumbai.

July, 2010: Delivered two lectures at a Secondary School Teachers’ Training Programme organised by BASE.