We present a mathematical formalism for the description of unrestricted quantum walks with entangled coins and one walker. The numerical behaviour of such walks is examined when using a Bell state as the initial coin state, two different coin opera...
coin-like objects such as token coins and medals, and other items used in place of legal currency or for commemoration. This includes elongated coins
In 2007, Alexander Shapovalov posed an old twist on the classical coin weighing problem by asking for strategies that manage to conceal the identities of specific coins while providing general information on the number of fake coins. In 2015, Diaco a...
coin parameters and all files needed for GUI support (⭐ 40)
I have a bunch of these silver dimes that have been sitting in my dresser drawer for 20+ years. Looking for ideas best way to liquidate. There’s about 5x the number in the picture plus a roll of sil...
the minting of centavo coins in base metal or silver, as well as gold coins in pesos, but it had to revert the silver 1-peso coin to the old eight reales
An actual treasure hunt, I can’t believe it happened to me. A mentally ill hoarder relative had been stashing silver, jewelry, and coins in the walls for their lifetime. A lot of it stolen from my g...
We discuss coin-weighing problems with a new type of coin: a chameleon. A chameleon coin can mimic a fake or a real coin, and it can choose which coin to mimic for each weighing independently. We consider a mix of $N$ coins that include exactly two...
Coins of Armenian king Tigranes II the Great (95-55 BC), silver and copper-bronze tetradrachms and drachms, clearly reveal a star with a tail on the royal tiara which may be associated with the Halley's comet passage of 87 BC. If so, one has anothe...
₿ A guide (for humans!) to cryto-currencies and their algos. (⭐ 4065)
Oct 6, 2014 · The Mayer Mint was founded in 1871. Hard to do business before that year. And no, the mint did and does not produce any coins for Germany. It is now owned by, or has close business …
This shit is trashhhhhh, sure overall ive made money honestly (im net positive for a good margin). But the amount ive lost, thousands on complete scan projects. Not even meme coins, just coins and tok...
$1 & Go w/The Main Event @ 7pm CST (03/03) LIVE ·52 hertelscoins $1Starts US-Coins Silver
A simple computer-based algorithm has been developed to identify pre-modern coins minted from the same dies, intending mainly coins minted by hand-made dies designed to be applicable to images taken from auction websites or catalogs. Though the metho...
Looking for unique coins from the United States Mint? Browse our selection of collectibles and add to your coin collection today.
Circulating coins are produced by the United States Mint for everyday transactions. They are also included in the United States Mint’s annual coin sets, which are the staple of coin collecting. The …
We perform the classification of ancient Roman Republican coins via recognizing their reverse motifs where various objects, faces, scenes, animals, and buildings are minted along with legends. Most of these coins are eroded due to their age and varyi...
Oct 6, 2014 · The Mayer Mint was founded in 1871. Hard to do business before that year. And no, the mint did and does not produce any coins for Germany. It is now owned by, or has close business …
Mar 15, 2011 · The San Francisco Mint ceased production of coins in 1955. During the coin shortage crisis 1965-1967 the SF Mint was brought back on-line to strike coins (without mintmarks). In 1968 …
A mint is an industrial facility which manufactures coins that can be used as currency. The history of mints correlates closely with the history of coins