Adavyd

ru Русский язык — родной для этого участника.

en-4 This user speaks English at a near-native level.

de-3 Dieser Benutzer hat sehr gute Deutschkenntnisse.

no-2 Denne brukeren har ferdigheter på mellomnivå i norsk (bokmål).

My Wikipedia pages

• ru.wikipedia.org (Russian Wikipedia)
• en.wikipedia.org (English Wikipedia)
• de.wikipedia.org (German Wikipedia)
• no.wikipedia.org (Norwegian Wikipedia)

My Wikimedia contributions

Photos

Australia / Tasmania

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  Mount Wellington, Tasmania, on the way from Hobart
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  Organ Pipes - rocks of Mount Wellington near Hobart, Tasmania
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  One of the huts on the slopes of Mount Wellington, Tasmania
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  Australia Tower near the pinnacle of Mount Wellington, Tasmania
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  Near the pinnacle of Mount Wellington, Tasmania
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  Bracken (Pteridium esculentum) on the Eastern slope of Mount Wellington, Tasmania
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  Eucalyptus forest on the Eastern slope of Mount Wellington, Tasmania

USA / California

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  Nevada and Vernal Falls from Glacier Point, Yosemite, California
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  Nevada Fall and Merced River, Yosemite National Park, California
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  Upper part of the trail to Nevada Fall, Yosemite National Park, California
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  Viewpoint at the top of Nevada Fall, Yosemite National Park, California
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  Water falling down at Nevada Fall, Yosemite National Park, California
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  Half Dome (left) and Sentinel Dome (right), from the Upper Yosemite Fall Trail, Yosemite National Park, California
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  Sentinel Dome from the North, Yosemite National Park, California
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  The top part of the Sentinel Dome from the North, Yosemite National Park, California
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  Sentinel Dome from the trail, Yosemite National Park, California
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  On the top of the Sentinel Dome, Yosemite National Park, California

USA / Connecticut

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  Charles Island, Silver Sands State Park, Milford, Connecticut
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  Tombolo to Charles Island, Silver Sands State Park, Milford, Connecticut
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  Charles Island, Silver Sands State Park, Milford, Connecticut
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  Tombolo from Charles Island, Silver Sands State Park, Milford, Connecticut
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  Charles Island, Silver Sands State Park, Milford, Connecticut
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  Conencticut State Capitol, Hartford, Connecticut

USA / Massachusetts

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  Pilgrim Monument behind the trees, Provincetown, Massachusetts
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  Pilgrim Monument in Provincetown, Massachusetts
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  Pilgrim Monument through the tree branches, Provincetown, Massachusetts
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  Pilgrim Monument description, Provincetown, Massachusetts
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  Pilgrim Monument (left) and City Hall (right) in Provincetown, Massachusetts
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  Fisherman's Memorial in Gloucester, Massachusetts on a rainy day
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  Plate at Fisherman's Memorial in Gloucester, Massachusetts
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  Harbor of Rockport (Massachusetts, USA) with Motif #1
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  Houses at the Sandy Bay beach in Rockport (Massachusetts, USA)
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  Bearskin Neck houses in Rockport (Massachusetts, USA)
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  Harbor of Rockport (Massachusetts, USA) with Bearskin Neck behind
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  Plum Island Lighthouse (a.k.a. Newburyport Harbor Lighthouse), Plum Island (Massachusetts, USA)
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  Atlantic Ocean beach of Plum Island (Massachusetts, USA), just South of Plum Island Village
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  Atlantic Ocean beach in the Southern part of Plum Island (Massachusetts, USA)
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  Beach in the Southern part of Plum Island (Massachusetts, USA)
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  Old North Church, Boston (Massachusetts, USA)
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  Old North Church, Boston (Massachusetts, USA)
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  Park Street Church, Boston (Massachusetts, USA)
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  Park Street Church, Boston (Massachusetts, USA)

USA / Rhode Island

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  Rhode Island State House (view from South), Providence, Rhode Island
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  Statue of Oliver Hazard Perry in front of Rhode Island State House, Providence, Rhode Island
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  Statue of Nathanael Greene in front of Rhode Island State House, Providence, Rhode Island
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  The upper part of Rhode Island State House, Providence, Rhode Island
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  The Independence Man on the top of Rhode Island State House, Providence, Rhode Island

USA / Texas

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  View of Downtown Houston from Sabine Park
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  Historic Buildings, Stafford, Texas
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  City Hall, Stafford, Texas
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  Township Square, Missouri City, Texas
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  Township Square, Missouri City, Texas
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  Sam Bell Maxey House, Paris, Texas
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  Sam Bell Maxey House, Paris, Texas
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  Hotel Galvez, Galveston, Texas
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  Hotel Galvez, Galveston, Texas

USA / other states

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  Iowa State Capitol rotunda, Des Moines

Mathematics

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  Digamma function of real argument x
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  Trigamma function of real argument x
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  Tetragamma function of real argument x
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  Pentagamma function of real argument x
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  Real and imaginary parts of the function $\mathrm {Li} _{2}(x)$
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  Two-loop Feynman diagram producing ζ(3)
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  Dirichlet beta function of real argument x