User:MarkH21

{{GA user topicon

| article_name = Wet market

| date = July 1, 2021

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{{GA user topicon

| article_name = Boston Chinatown massacre

| date = December 29, 2020

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{{GA user topicon

| article_name = Golden Dragon massacre

| date = April 8, 2020

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{{ITN user topicon

| article_name = 2024 Copa América final

| date = July 16, 2024

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{{ITN user topicon

| article_name = UEFA Euro 2024 final

| date = July 16, 2024

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{{ITN user topicon

| article_name = Sergei Novikov (mathematician)

| date = June 8, 2024

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{{ITN user topicon

| article_name = Mikio Sato

| date = January 17, 2023

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{{ITN user topicon

| article_name = Yuri Manin

| date = January 14, 2023

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{{ITN user topicon

| article_name = Aleksei Parshin

| date = June 24, 2022

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{{ITN user topicon

| article_name = Jaylon Ferguson

| date = June 23, 2022

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{{ITN user topicon

| article_name = Dennis Sullivan

| date = March 24, 2022

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{{ITN user topicon

| article_name = Jean-Pierre Demailly

| date = March 20, 2022

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{{ITN user topicon

| article_name = László Lovász

| date = March 18, 2021

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{{ITN user topicon

| article_name = Avi Wigderson

| date = March 18, 2021

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{{ITN user topicon

| article_name = Cecilia Chiang

| date = October 29, 2020

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{{ITN user topicon

| article_name = Lucien Szpiro

| date = April 20, 2020

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{{ITN user topicon

| article_name = Goro Shimura

| date = May 5, 2019

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{{ITN user topicon

| article_name = Karen Uhlenbeck

| date = March 20, 2019

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{{DYK user topicon

| article_name = Daniel-Marie Chabert de Joncaire de Clausonne

| date = April 10, 2021

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Louis-Thomas Chabert de Joncaire

| date = October 29, 2020

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Turks and Caicos Regiment

| date = August 11, 2020

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Ladakh Chronicles

| date = July 26, 2020

| icon = Symbol question.svg

}}

{{DYK user topicon

| article_name = Voice confrontation

| date = May 25, 2020

| icon = Symbol question.svg

}}

{{DYK user topicon

| article_name = Golden Dragon massacre

| date = May 11, 2020

| icon = Symbol question.svg

}}

{{DYK user topicon

| article_name = Boston Chinatown massacre

| date = February 12, 2020

| icon = Symbol question.svg

}}

{{DYK user topicon

| article_name = Semisimple representations

| date = January 8, 2020

| icon = Symbol question.svg

}}

{{DYK user topicon

| article_name = Uriyangkhadai

| date = December 18, 2019

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Ring of modular forms

| date = November 1, 2019

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Stacky curve

| date = November 1, 2019

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Siegel modular variety

| date = September 11, 2019

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Violet Oon

| date = June 4, 2019

| icon = Symbol question.svg

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{{DYK user topicon

| article_name = Height function

| date = April 22, 2019

| icon = Symbol question.svg

}}

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|{{Userboxtop|Academia}}

|{{Userboxtop|WP}}

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{{font|font=Trebuchet MS|Editor since 2006, active editor since 2015.{{pb}}I work in arithmetic geometry and Iwasawa theory.}}

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|colspan="3" align="center" style="background: #001C3D; color: white"|Articles

colspan="3" align="center" style="background: #375366; color: white"|Created

style="background: #EE8947"|:Adrian Zenz

|style="background: #FFF8E7"|:Ahmed Abbes

|style="background: #6B8E23"|:Ariane Mézard

style="background: #FFFDD0"|:Arithmetic geometry

|style="background: #89CFF0"|:Bhargav Bhatt (mathematician)

|style="background: #FF6743"|:Boston Chinatown massacre {{icon|GA}} {{DYK icon link|Boston Chinatown massacre}}

style="background: #388DCD"|:Cayman Islands Coast Guard

|style="background: #9DC8BE"|:Cayman Islands Regiment

|style="background: #B0C4DE"|:Comac C939

style="background: #FCCCC0"|:Daniel-Marie Chabert de Joncaire de Clausonne {{DYK icon link|Daniel-Marie Chabert de Joncaire de Clausonne}}

|style="background: #B0AAAE"|:David Ginzburg

|style="background: #B0C0AA"|:David Soudry

style="background: #F4BBFF"|:Demchok (historical village)

|style="background: #F88379"|:Demchok sector

|style="background: #FFD700"|:Dihua Jiang

style="background: #B0C0AA"|:Eric Urban

|style="background: #0FA8FA"|:Frank Calegari

|style="background: #FFDEAD"|:Gan–Gross–Prasad conjecture

style="background: #B284BE"|:Genus g surface

|style="background: #B0C4DE"|:Height function {{DYK icon link|Height function}}

|style="background: #FFF8E7"|:Jacques Tilouine

style="background: #EE8947"|:Ladakh Chronicles {{DYK icon link|Ladakh Chronicles}}

|style="background: #FCCCC0"|:Louis-Thomas Chabert de Joncaire {{DYK icon link|Louis-Thomas Chabert de Joncaire}}

|style="background: #0FA8FA"|Lucien Szpiro (fr)

style="background: #B0AAAE"|:Michel Maray de La Chauvignerie

|style="background: #F4DEEA"|:OTT Airlines

|style="background: #89CFF0"|:Patrick X. Gallagher

style="background: #B0C4DE"|:Philipp Habegger

|style="background: #FCCCC0"|:Philippe-Thomas Chabert de Joncaire

|style="background: #EFD730"|:Pietro Corvaja

style="background: #EFFD30"|:Prix Paul Doistau–Émile Blutet

|style="background: #9DC8BE"|:Ring of modular forms {{DYK icon link|Ring of modular forms}}

|style="background: #388EDE"|:Samit Dasgupta

style="background: #F4BBFF"|:Siegel modular variety {{DYK icon link|Siegel modular variety}}

|style="background: #FFFDD0"|:Simion Filip

|style="background: #F88379"|:Stacky curve {{DYK icon link|Ring of modular forms}}

style="background: #AAA0CC"|:Sug Woo Shin

|style="background: #FFBE4F"|:Tamagawa number

|style="background: #B0C0AA"|:Turks and Caicos Islands Regiment {{DYK icon link|Turks and Caicos Islands Regiment}}

style="background: #B28B82"|:Uriyangkhadai {{DYK icon link|Uriyangkhadai}}

|style="background: #5DA493"|:Uyghur Human Rights Policy Act

|style="background: #FFF8E7"|:Voice confrontation {{DYK icon link|Voice confrontation}}

style="background: #F4DEFF"|:Violet Oon {{DYK icon link|Violet Oon}}

|style="background: #399FDF"|:Wet markets in China

|style="background: #89CFF0"|:Wet markets in Hong Kong

colspan="3" align="center" style="background: #375366; color: white"|Significant contributions

style="background: #FFD700"|:1976 Tangshan earthquake

|style="background: #FFFDD0"|:2024 Copa América final {{icon|ITN}}

|style="background: #EE8947"|:Alexander Oppenheim

style="background: #0FA8FA"|:Aleksei Parshin {{icon|ITN}}

|style="background: #B28B82"|:Apeirogon

|style="background: #FCCCC0"|:Avi Wigderson {{icon|ITN}}

style="background: #5D8AA8"|:Beppo Levi

|style="background: #FFF8E7"|:Bombieri–Lang conjecture

|style="background: #89CFF0"|:Buffalo Presbyterian Church (Montello, Wisconsin)

style="background: #F4DEFF"|:Cecilia Chang {{icon|ITN}}

|style="background: #B0C0AA"|:Charles G. Ridgely

|style="background: #B284BE"|:Compositional data

style="background: #89CFF0"|:Commercial Bank of Ethiopia Headquarters

|style="background: #AAA0CC"|:Controversies of the Hong Kong Police Force

|style="background: #388DCD"|:David Masser

style="background: #EFFD30"|:Demchok, Ladakh

|style="background: #FFFDD0"|:Dêmqog, Ngari Prefecture

|style="background: #B0C0AA"|:Dennis Sullivan {{icon|ITN}}

style="background: #FFDEAD"|:Depth of field

|style="background: #FFD700"|:Exodus of Kashmiri Hindus

|style="background: #6B8E23"|:Frances Hesselbein

style="background: #B9968E"|:Garifuna

|style="background: #FFFDD0"|:Geometric Langlands correspondence

|style="background: #EE8947"|:Golden Dragon massacre {{icon|GA}} {{DYK icon link|Golden Dragon massacre}}

style="background: #B0CEDE"|:Goro Shimura {{icon|ITN}}

|style="background: #F88379"|:Hong Kong Police Force

|style="background: #B284BE"|:Jaylon Ferguson {{icon|ITN}}

style="background: #9DC8BE"|:Jean-Pierre Demailly {{icon|ITN}}

|style="background: #9DC8BE"|:Jerrold B. Tunnell

|style="background: #F4DEFF"|:Karen Uhlenbeck {{icon|ITN}}

style="background: #FF6743"|:Kashmir conflict

|style="background: #FFF8E7"|:Ken Ribet

|style="background: #B9968E"|:László Lovász {{icon|ITN}}

style="background: #FFF8E7"|:Lê dynasty

|style="background: #0FA8FA"|:Lucien Szpiro {{icon|ITN}}

|style="background: #5DA493"|:Infosys Prize

style="background: #98FB98"|:Iveagh Markets

|style="background: #EFFD30"|:Maryul

|style="background: #FCCCC0"|:Moti Yung

style="background: #FFBE4F"|:Michael Wang (basketball)

|style="background: #B2C4DF"|:Michel Raynaud

|style="background: #F4DEFF"|:Mikio Sato {{icon|ITN}}

style="background: #F4BBFF"|:Mongol invasions of Vietnam

|style="background: #B0C0AA"|:Nam tiến

|style="background: #6B8E23"|:Nelson Saiers

style="background: #AAA0CC"|:Nguyễn dynasty

|style="background: #B0C4DE"|:Oka–Weil theorem

|style="background: #FFDEAD"|:Paul D'Ambrosio

style="background: #F88379"|:Pyotr Novikov

|style="background: #FFF8E7"|:Reactions to the 2019–2020 Hong Kong protests

|style="background: #EE8947"|:Robert MacPherson (mathematician)

style="background: #F4DEFF"|:Robin Hartshorne

|style="background: #9DC8BE"|:San Tin

|style="background: #388DCD"|:Separation of powers in Hong Kong

style="background: #FFFDD0"|:Semisimple representation {{DYK icon link|Semisimple representation}}

|style="background: #AAA0CC"|:Sergei Novikov (mathematician) {{icon|ITN}}

|style="background: #89CFF0"|:Shou-Wu Zhang

style="background: #EFD730"|:Sons of Samoa

|style="background: #EE8947"|:Tadao Tannaka

|style="background: #F4BBFF"|:Tong sui

style="background: #B28B82"|:Torsion conjecture

|style="background: #F88379"|:Tubarial salivary gland

|style="background: #FFFDD0"|:UEFA Euro 2024 final {{icon|ITN}}

style="background: #5DA493"|:Uyghur genocide

|style="background: #B0C0AA"|:Virasoro group

|style="background: #399FDF"|:Wet market {{icon|GA}}

style="background: #FFFDD0"|:William Thurston

|style="background: #FFDEAD"|:Xinjiang internment camps

|style="background: #EE8947"|:Yuri Manin {{icon|ITN}}

colspan="3" align="center" style="background: #001C3D; color: white"|Templates

style="background: #FFF8E7"|Infobox mathematical statement

colspan="3" align="center" style="background: #001C3D; color: white"|Categories

style="background: #B0C4DE"|21st-century Moldovan mathematicians

|style="background: #FF6743"|21st-century Swiss mathematicians

|style="background: #FFF8E7"|Airlines established in 2020

style="background: #5DA493"|Arithmetic geometers

|style="background: #98FB98"|Arithmetic geometry

|style="background: #FFFDD0"|Chinese companies established in 2020

style="background: #FCCCC0"|Members of the Tunisian Academy of Sciences, Letters, and Arts

|style="background: #0FA8FA"|Prix Paul Doistau–Émile Blutet laureates

|style="background: #F4DEFF"|Tohoku Gakuin University

style="background: #AAA0CC"|Academic staff of Tohoku Gakuin University

|style="background: #EE8947"|Tunisian Academy of Sciences, Letters, and Arts

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{{Press

| subject = editor

| 1 = mentioned by multiple academic and media organizations

| author = Manas Sharma, Simon Scarr

| title = How Hong Kong's keyboard warriors have besieged Wikipedia

| org = Reuters

| url = https://www.reuters.com/article/us-hongkong-protests-wikipedia/how-hong-kongs-keyboard-warriors-have-besieged-wikipedia-idUSKBN1Y212K

| date = 28 November 2019

| accessdate = 10 January 2020

| quote = "There has been a great increase in all types of disruptive editing including vandalism, edit wars, and extreme language from both of the major perspectives," said a volunteer editor with the username MarkH21, who has 13 years' experience.

| author2 = Manas Sharma, Simon Scarr

| title2 = Wiki wars: Hong Kong’s online frontline

| org2 = Reuters

| url2 = https://graphics.reuters.com/HONGKONG-PROTESTS-WIKIPEDIA/0100B33629V/index.html

| date2 = 28 November 2019

| accessdate2 = 10 January 2020

| quote2 = MarkH21 said that opinionated edits masquerading as factual or authoratative were the most difficult to repair.

| author3 = Molly G. Hickman, Viral Pasad, Harsh Sanghavi, Jacob Thebault-Spieker, Sang Won Lee

| title3 = Wiki HUEs: Understanding Wikipedia practices through Hindi, Urdu, and English takes on evolving regional conflict

| org3 = Proceedings of the 2020 International Conference on Information and Communication Technologies and Development

| url3 = https://doi.org/10.1145/3392561.3397586

| date3 = June 2020

| accessdate3 = 28 November 2020

| quote3 = As another incident on the English Kashmir conflict page (A2), two editors made the same revision at two different times (January 22, 2019 and August 6, 2019), removing a section related to human rights violations by Indian forces against Kashmiris. On both occasions, the removal was undone by another editor [MarkH21] within fewer than fifteen minutes.

}}

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