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reverend charles pritchard was a british astronomer, clergyman,
reverend charles pritchard was a british astronomer, clergyman, and educational reformer. he founded the clapham grammar school in 1834 and included sciences in the curriculum. a chapel was erected in 1846.
wikipedia
1e506916f4541d435eeaf7a13be9cc1202bcbade
when an international survey of the heavens was
when an international survey of the heavens was proposed, the zone between 25° and 31° north declination was allotted to him, and at the time of his death some progress had been made in recording its included stars. pritchard became a fellow of new college, oxford, in 1883, and an honorary fellow of st john's college, ...
wikipedia
34b507aa58b5d52dea59d1d08f1978e6ca49c663
he then decided to experiment with applying photography
he then decided to experiment with applying photography to the determination of stellar parallax. with the object of testing the capabilities of the method, he took for his first essay the well-known star 61 cygni, and his results agreed so well with those previously attained that he undertook the systematic measuremen...
wikipedia
bdff1ac333e183f219678235952e7e963ed727a0
in 1882 pritchard commenced a systematic study of
in 1882 pritchard commenced a systematic study of stellar photometry. for this purpose he employed an instrument known as the " wedge photometer ", with which he measured the relative brightness of 2,784 stars between the north pole and about -10° declination. the results were published in 1885 in his uranometria nova ...
wikipedia
c5c022d3c4cd024b641d6d9a6ea0afae0c0b3b0c
his career as a professional astronomer began in
his career as a professional astronomer began in 1870, when he was elected savilian professor of astronomy at the university of oxford. at his request the university decided to build a fine equatorial telescope for the instruction of his class and for purposes of research, a scheme which, as a result of warren de la ru...
wikipedia
63a723694d00b093ad184e469d578cc303f423b7
he was born at alberbury, shropshire, fourth son
he was born at alberbury, shropshire, fourth son of william pritchard, a failed manufacturer who later moved to london where he attended the merchant taylor's school and poplar academy where he was taught by john stock, the progressive educationalist. pritchard later described his studies as consisting of "a systematic...
wikipedia
0a474cc7df83be90f6d7cc220745b8466b7f07f2
reverend charles pritchard (29 february 1808 – 28
reverend charles pritchard (29 february 1808 – 28 may 1893) was a british astronomer, clergyman, and educational reformer. he founded the clapham grammar school in 1834 and included sciences in the curriculum. a chapel was erected in 1846.
wikipedia
273603f27a95872f8373178b799bf28791703d29
the hampden bridge was a heritage-listed wooden allan
the hampden bridge was a heritage-listed wooden allan truss bridge over the murrumbidgee river in wagga wagga, australia. it was officially opened to traffic on 11 november 1895 and named in honour of the nsw governor sir henry robert brand, 2nd viscount hampden. the bridge carried the olympic highway, formerly the oly...
wikipedia
afdca2b889676285ea7057fa9c11f7f16ecbe725
in march 2012 the wagga wagga city council
in march 2012 the wagga wagga city council voted to dismantle the hampden bridge. a tender was awarded to southern cross demolition, in february 2013 for the complete demolition of the bridge. in april 2014 the council received planning approval for the demolition of the bridge except for the bridge's pylons, and demol...
wikipedia
8bea5e7583c2e9ed933fff1fb317ff4febe74f28
by november 2007, councillors attend a number of
by november 2007, councillors attend a number of workshops on estimated costs of rehabilitation and demolition. the cost of rehabilitation was estimated to be $1.5 million and demolition $1.6 million. on 27 february 2008, the wagga wagga city council approved $300,000 to make the bridge structurally safe. during august...
wikipedia
667bdbcd7f3df2d407aaaaddfd19cd74b78560fa
on 16 august 2006 the hampden bridge was
on 16 august 2006 the hampden bridge was closed to pedestrians indefinitely after the wagga wagga city council found that the bridge deck had dropped 50 centimetres (20 in) after one of the trusses failed. a safety report by the roads & traffic authority stated that the bridge could fall down any day due to it being in...
wikipedia
f86abac19025d49d5d6bdab5a3dad6f5b3dc579b
the roads & traffic authority handed over the
the roads & traffic authority handed over the hampden bridge to the wagga wagga city council after the bridge was closed to traffic in october 1995. the local historic landmark remained open to pedestrians as a route between the suburb of north wagga wagga and the city centre until its closure in 2006. in 2012, wagga w...
wikipedia
5f9b9e84706227f408e6ddbc4d083f14d7b8768e
the hampden bridge was 330 feet (100.6 m)
the hampden bridge was 330 feet (100.6 m) long with each of the three truss spans 110 feet (33.5 m) long. hampden bridge was the first large overhead-braced truss bridge designed by percy allan. the bridge was originally designed to be a steel-built bridge; however, the tenders were too expensive so timber was used as ...
wikipedia
c41775d8318d87ea7bf3c1b3f673ba378ce912b9
the hampden bridge was a heritage -listed wooden
the hampden bridge was a heritage -listed wooden allan truss bridge over the murrumbidgee river in wagga wagga, australia. it was officially opened to traffic on 11 november 1895 and named in honour of the nsw governor sir henry robert brand, 2nd viscount hampden. the bridge carried the olympic highway, formerly the ol...
wikipedia
45241979ac0d19e7f1d4cb9ee318bfcdb6a514df
the chacahoula swamp bridge is a twin concrete
the chacahoula swamp bridge is a twin concrete trestle bridge in the u.s. state of louisiana. with a total length of 29,544 ft (9,005 m), it is one of the longest bridges in the world. the bridge carries us 90 over the chacahoula swamp in louisiana the bridge was opened in 1995.
wikipedia
332220552f8287fe5322e0e278dabca72fc3324f
the chacahoula swamp bridge is a twin concrete
the chacahoula swamp bridge is a twin concrete trestle bridge in the u.s. state of louisiana. with a total length of 29,544 ft (9,005 m), it is one of the longest bridges in the world. the bridge carries us 90 over the chacahoula swamp in louisiana the bridge was opened in 1995.
wikipedia
9d9c3c3464e282065183c698550ce2d7b97a5e17
curtis jon giles is a canadian former professional
curtis jon giles is a canadian former professional ice hockey defenceman. selected by the minnesota north stars in the 1978 nhl entry draft, giles had two tenures with the north stars. during each, his steady defensive play helped guide the north stars to appearances in the 1981 and 1991 stanley cup finals. giles also ...
wikipedia
ca67b7b7e3770e719ff1d7189f7fd1176ef5293c
he had a portion of his left ring
he had a portion of his left ring finger amputated on march 24, 1986 in order to compete in the 1986 stanley cup playoffs. the finger had a tumor in the bone and forced him to miss the end of the 1985-86 regular-season.
wikipedia
c31c3319363f400b5a6fcd5d571b57d18d16ad81
selected by the minnesota north stars in the
selected by the minnesota north stars in the 1978 nhl entry draft, giles had two tenures with the north stars (1979 – 86 and 1987 – 91). during each, his steady defensive play helped guide the north stars to appearances in the 1981 and 1991 stanley cup finals. giles also played for the new york rangers and st. louis bl...
wikipedia
afb537b41e9b5a668e1f0e7183ec6f2b546fe4ed
curls run rises in upper makefield township, just
curls run rises in upper makefield township, just east of pineville, starting out northeast, then turns to the north flowing through an unnamed pond, passing into buckingham township, then flowing to the northeast until it meets its confluence at pidcock creek's 3.21 river mile in solebury township.
wikipedia
8554aeeb581900ac1c8a35e5b62b16c6b9f01c9c
curls run was named for thomas kirl, an
curls run was named for thomas kirl, an early landowner in buckingham township, bucks county, pennsylvania, in the united states, whose land was later purchased by robert smith in 1723. other landowners along the creek were harry trego, earl daniels, john hogan, harvey r. smith, william e. smith, charles r. wentz, char...
wikipedia
fe0814cb8efc4a96733f375bf71e533e5c776925
cremers' publications cover security, cryptography, iso standards, automated
cremers' publications cover security, cryptography, iso standards, automated verification of security protocols, and formal methods. his thesis was entitled "scyther - semantics and verification of security protocols", and was supervised by sjouke mauw and erik de vink. also published with sjouke mauw is their book ope...
wikipedia
b6b8e37f10a60dbf95fe61b2fa57724af0449631
cremers previously worked in msx computer game development,
cremers previously worked in msx computer game development, initially working for the sigma group before founding his own group parallax; he is credited for work on nine different games, and many other demos, in a combination of roles including programmer, designer, composer, and writer. he was interviewed by blog "dis...
wikipedia
6f6a77849ecc5526a638e0589d8e9887b87bc072
cremers received his phd from eindhoven university of
cremers received his phd from eindhoven university of technology in 2006, under the supervision of sjouke mauw and erik de vink. between 2006 and 2013, he worked at the information security group at eth zurich, switzerland, until joining the university of oxford in 2013. he was made full professor of information securi...
wikipedia
5ed4f29b8c28568d8311851a797695e8de0f5d36
the continental o-170 engine is the collective military
the continental o-170 engine is the collective military designation for a family of small aircraft engines, known under the company designation of a50, a65, a75 and a80. the line was designed and built by continental motors commencing in the 1940s. it was employed as the powerplant for civil and military light aircraft...
wikipedia
147d9d6c983e3ec698993df427fada3bb6591a04
lubricating oil is delivered under pressure from the
lubricating oil is delivered under pressure from the 4 us qt (3.79 l) oil sump to the drive bearings and the crankpins through the crankshaft. the cylinder walls and pistons are spray lubricated. normal operating oil pressure is 35 psi, with minimum idle oil pressure 10 psi.
wikipedia
f2eba244d3eb4799f36284b3c5f377012c6019cb
in all models of this family of engines
in all models of this family of engines the cylinder heads are of aluminum alloy, screwed and shrunk onto steel barrels. spark plug inserts and intake valve seats are made from aluminum- bronze alloy, while the exhaust valve seats are steel. the engines all employ hydraulic tappets which operate in aluminum guides that...
wikipedia
05415fb0a0909a3c1eada94101ab4918be8e629c
the horizontally opposed, four-cylinder engines in this family
the horizontally opposed, four-cylinder engines in this family are all identical in appearance, bore, stroke, dry weight, and piston displacement. all feature a bottom-mounted updraft carburetor fuel delivery system. the higher power variants differ only in compression ratio and maximum allowable rpm, plus minor modifi...
wikipedia
b3b1fb99d6c0a9a68908c76dae034d0d562bc3bb
the continental o-170 engine is the collective military
the continental o-170 engine is the collective military designation for a family of small aircraft engines, known under the company designation of a50, a65, a75 and a80. the line was designed and built by continental motors commencing in the 1940s. it was employed as the powerplant for civil and military light aircraft...
wikipedia
1989f9b9ca41bfa2054baa0083ea79a0c04248df
in arithmetic geometry, the cox–zucker machine is an
in arithmetic geometry, the cox–zucker machine is an algorithm created by david a. cox and steven zucker. this algorithm determines whether a given set of sections provides a basis for the mordell–weil group of an elliptic surface e → s, where s is isomorphic to the projective line. the algorithm was first published in...
wikipedia
64f97f2a7658e261c70b69c5c9b0dec6a257e3db
the name sounds similar to the obscenity "
the name sounds similar to the obscenity " cocksucker ". this was a deliberate choice by cox and zucker, who, as first-year graduate students at princeton university in 1970, conceived of the idea of coauthoring a paper for the express purpose of enabling this joke. they followed through on it five years later, as memb...
wikipedia
2c13883a43c83e9dcaeb046c5fcca9564c49b150
in arithmetic geometry, the cox–zucker machine is an
in arithmetic geometry, the cox–zucker machine is an algorithm created by david a. cox and steven zucker. this algorithm determines whether a given set of sections provides a basis (up to torsion) for the mordell–weil group of an elliptic surface e → s, where s is isomorphic to the projective line.
wikipedia
49747f9ff97969b57c70b431ea1dcb8a5c12ff92
in mathematics, a topological space (x, t) is
in mathematics, a topological space (x, t) is called completely uniformizable (or dieudonné complete) if there exists at least one complete uniformity that induces the topology t. some authors additionally require x to be hausdorff. some authors have called these spaces topologically complete, although that term has al...
wikipedia
49747f9ff97969b57c70b431ea1dcb8a5c12ff92
in mathematics, a topological space (x, t) is
in mathematics, a topological space (x, t) is called completely uniformizable (or dieudonné complete) if there exists at least one complete uniformity that induces the topology t. some authors additionally require x to be hausdorff. some authors have called these spaces topologically complete, although that term has al...
wikipedia
20dab43e0c7dd85dda8009ea4578f87d46cea76a
chishui is a mountainous town and one of
chishui is a mountainous town and one of eleven fourth-order administrative divisions under the jurisdiction of northwest dehua county, quanzhou, fujian, china, located 33 kilometres from the county seat and home to a species of apanteles (apanteles opacus). chishui has jiuxian mountain in its administrative town bound...
wikipedia
dc4bd368f7dcbaf1f036e35a2f5d227c5158f12a
the town has 12,038 mu (8.03 km) of
the town has 12,038 mu (8.03 km) of arable land and at least 18 more attractions other than the two mountains mentioned above. as of 2020, it administers chishui residential community and the following fourteen villages:
wikipedia
5cd3426421ee38aba06e68f70a34ca3966b37460
chishui has jiuxian mountain in its administrative town
chishui has jiuxian mountain in its administrative town boundaries. daiyun mountain (also known as yingxue mountain) is another mountain in daiyun, a village administered under chishui. daiyun mountain is 1856 metres tall, takes up 35 km, and is heavily vegetated, protected and trailed. it is known as 'the ridge of mid...
wikipedia
db15aef6bf079c0b56bd5113445449a6e22ab57a
chishui (chinese: 赤水; pinyin: chìshuǐ) is a mountainous
chishui (chinese: 赤水; pinyin: chìshuǐ) is a mountainous town and one of eleven fourth-order administrative divisions under the jurisdiction of northwest dehua county, quanzhou, fujian, china, located 33 kilometres from the county seat and home to a species of apanteles (apanteles opacus).
wikipedia
020365cf9a02a66c5cca3dcda6d9d898f38fd8bb
connected-component labeling (ccl), connected-component analysis (cca), blob extraction,
connected-component labeling (ccl), connected-component analysis (cca), blob extraction, region labeling, blob discovery, or region extraction is an algorithmic application of graph theory, where subsets of connected components are uniquely labeled based on a given heuristic. connected-component labeling is not to be c...
wikipedia
65ec3cc0c828fb796366eb1674a7e5453b702fd5
the emergence of fpgas with enough capacity to
the emergence of fpgas with enough capacity to perform complex image processing tasks also led to high-performance architectures for connected-component labeling. most of these architectures utilize the single pass variant of this algorithm, because of the limited memory resources available on an fpga. these types of c...
wikipedia
d526edafa4713f31e4cbd10cd9fb2d0ecba52c2d
in the last two decades many novel approaches
in the last two decades many novel approaches to connected-component labeling have been proposed, but almost none of them have been subjected to a comparative performance assessment using the same data set. yacclab (acronym for yet another connected components labeling benchmark) is an example of c++ open source framew...
wikipedia
b50dde940117559810f30da4d9832828d54b1260
the run time of the algorithm depends on
the run time of the algorithm depends on the size of the image and the amount of foreground. the time complexity is comparable to the two pass algorithm if the foreground covers a significant part of the image. otherwise the time complexity is lower. however, memory access is less structured than for the two-pass algor...
wikipedia
a12d123f299c5530627025e32ca9d8da6510ce1d
we first assign different binary values to elements
we first assign different binary values to elements in the graph. the values "0~1" at the center of each of the elements in the following graph are the elements' values, whereas the "1,2,...,7" values in the next two graphs are the elements' labels. the two concepts should not be confused.
wikipedia
6de56cde216bb896c240c62bb7550754df2d2739
the algorithm continues this way, and creates new
the algorithm continues this way, and creates new region labels whenever necessary. the key to a fast algorithm, however, is how this merging is done. this algorithm uses the union-find data structure which provides excellent performance for keeping track of equivalence relationships. union-find essentially stores labe...
wikipedia
c1cd712790e132236a9080f6eab5867c7ebe605e
connectivity checks are carried out by checking neighbor
connectivity checks are carried out by checking neighbor pixels' labels (neighbor elements whose labels are not assigned yet are ignored), or say, the north-east, the north, the north-west and the west of the current pixel (assuming 8-connectivity). 4-connectivity uses only north and west neighbors of the current pixel...
wikipedia
ab7e263d866e992fbb7e122a8a11aca5a9ad9352
relatively simple to implement and understand, the two-pass
relatively simple to implement and understand, the two-pass algorithm, (also known as the hoshen–kopelman algorithm) iterates through 2-dimensional binary data. the algorithm makes two passes over the image: the first pass to assign temporary labels and record equivalences, and the second pass to replace each temporary...
wikipedia
f9e2711cf6f683ca46eed54a6de8c07a27730c88
note that the pixels are labelled before being
note that the pixels are labelled before being put into the queue. the queue will only keep a pixel to check its neighbours and add them to the queue if necessary. this algorithm only needs to check the neighbours of each foreground pixel once and doesn't check the neighbours of background pixels.
wikipedia
f4035b08c9a627ae7ce1ff9a3ffc6afac86eb0e7
in order to do that a linked list
in order to do that a linked list is formed that will keep the indexes of the pixels that are connected to each other, steps (2) and (3) below. the method of defining the linked list specifies the use of a depth or a breadth first search. for this particular application, there is no difference which strategy to use. th...
wikipedia
26b0656c2e09e48c3f91304e3d499804f821c9f4
this is a fast and very simple method
this is a fast and very simple method to implement and understand. it is based on graph traversal methods in graph theory. in short, once the first pixel of a connected component is found, all the connected pixels of that connected component are labelled before going onto the next pixel in the image. this algorithm is ...
wikipedia
cd0215a05c65798025e48e389f19cf21faac9f53
there is no consensus on the definition of
there is no consensus on the definition of cca in the academic literature. it is often used interchangeably with ccl. a more extensive definition is given by shapiro et al.: “connected component analysis consists of connected component labeling of the black pixels followed by property measurement of the component regio...
wikipedia
15eee45a9d9345ae2784d925befd590001d2396d
rosenfeld et al. define connected components labeling as
rosenfeld et al. define connected components labeling as the “reation of a labeled image in which the positions associated with the same connected component of the binary input image have a unique label.” shapiro et al. define ccl as an operator whose “input is a binary image and output is a symbolic image in which the...
wikipedia
e016867e807dbd72286c7682813f304a51fe0883
a graph, containing vertices and connecting edges, is
a graph, containing vertices and connecting edges, is constructed from relevant input data. the vertices contain information required by the comparison heuristic, while the edges indicate connected 'neighbors'. an algorithm traverses the graph, labeling the vertices based on the connectivity and relative values of thei...
wikipedia
9adb95e90a55f9a816857263d60b3dda53689200
connected-component labeling is used in computer vision to
connected-component labeling is used in computer vision to detect connected regions in binary digital images, although color images and data with higher dimensionality can also be processed. when integrated into an image recognition system or human-computer interaction interface, connected component labeling can operat...
wikipedia
0339791cabc0af6ffa30badd77018186f9bef5b8
connected-component labeling (ccl), connected-component analysis (cca), blob extraction,
connected-component labeling (ccl), connected-component analysis (cca), blob extraction, region labeling, blob discovery, or region extraction is an algorithmic application of graph theory, where subsets of connected components are uniquely labeled based on a given heuristic. connected-component labeling is not to be c...
wikipedia
311c7a4a6c47d75a2d5cd2b7bb12e1b278e98628
on 31 march 2019, prunty was introduced as
on 31 march 2019, prunty was introduced as a substitute for calum lyons at full-back when waterford suffered a 1–24 to 0–19 defeat by limerick in the national league final. he made his first appearance in the munster championship on 12 may when he lined out at full-back in a 1–20 to 0–22 defeat by clare.
wikipedia
355965f2d4707bc952a20011ba241c44eba81927
on 11 march 2018, prunty made his first
on 11 march 2018, prunty made his first appearance in the national league when he came on as a 54th-minute substitute for mark o'brien in a 1–23 to 1–20 defeat of clare. he was retained as a member of the panel for the subsequent munster championship.
wikipedia
f8563afce27da2aebe8641483bd05d7a1155dd9c
prunty was added to the waterford senior team
prunty was added to the waterford senior team prior to the start of the pre-season munster league in 2017. he made his first appearance on 8 january, lining out at left wing-back in a 0–24 to 1–14 defeat by limerick. prunty remained as a member of the extended panel for the rest of the season which culminated on 3 sept...
wikipedia
57ddd07466b593daadfaac9dfcd3a46327ee7a7f
prunty was again eligible for the under-21 team
prunty was again eligible for the under-21 team for the 2018 munster championship. lining out in his third and final season in the grade, he made his only appearance on 20 june in a second successive 0–23 to 1–17 defeat by cork.
wikipedia
b8a7ae5d6c6f3ae668e6ee2e65a23c3d105df256
prunty ended his dual player status and committed
prunty ended his dual player status and committed solely to hurling for the 2017 munster championship. he made his only appearance on 13 july in a 2–17 to 1–19 defeat by cork at the semi-final stage.
wikipedia
3aa77162f88626cf8dfba32e6a98547f1b95fdcc
prunty retained his dual status as a member
prunty retained his dual status as a member of both of waterford's under-21 teams during the 2016 munster championships. he made his first appearance for the under-21 football team on 16 march when he lined out at midfield in a 3–18 to 0–02 defeat by cork. prunty enjoyed a more successful debut with the under-21 hurlin...
wikipedia
0cc6789aed8ba2524aa459b8a3f3cf04c097e5bd
prunty first lined out for waterford as a
prunty first lined out for waterford as a dual player during the 2014 munster championships. he made his first appearance for the waterford minor hurling team on 9 april when he lined out at right wing-back in a 1–13 to 0–11 defeat of clare. prunty made his debut with the waterford minor football team a week later in a...
wikipedia
8a7213b27c079b0e8d6c9b2ea87611c8ca9f5296
on 7 october 2018, prunty lined out for
on 7 october 2018, prunty lined out for abbeyside against ballygunner in the waterford championship final. selected at right wing-back, he spent much of the game at midfield as abbeyside suffered a 2–19 to 0–13 defeat.
wikipedia
ab77ff8bbc26897aab5a999c1c9cc01fd392ecc1
prunty lined out in a second successive waterford
prunty lined out in a second successive waterford football championship final on 6 november 2016. he was once again at midfield, however, the nire claimed the title following a 1–17 to 0–08 victory.
wikipedia
58cc212cec1fa0217f4b04fc5d802aa5969bd3ae
on 6 november 2015, prunty was at midfield
on 6 november 2015, prunty was at midfield when ballinacourty faced stradbally in the waterford football championship final. he ended the game as a runners-up following an 0–08 to 0–06 defeat.
wikipedia
96adc1a7363689ec78def4c01774e5bf2b3e316d
prunty joined the abbeyside–ballinacourty club at a young
prunty joined the abbeyside–ballinacourty club at a young age and played in all grades at juvenile and underage levels. he made his first appearance for the club's senior teams during the 2014 waterford championship.
wikipedia
35ce4b7d7dcf92d269a9bfc3eb57a112c603a0fb
during his studies at the cork institute of
during his studies at the cork institute of technology, prunty was heavily involved in hurling. on 3 march 2016, he was at centre-back when cit defeated dublin city university by 1–13 to 0–13 to win the all-ireland division 1 freshers final.
wikipedia
f3ae84baeb3ef4700a65e15e6ba07b1e1dae6867
prunty first came to prominence as a hurler
prunty first came to prominence as a hurler and gaelic footballer with st. augustine's college in dungarvan. he played in every grade before eventually joining the college's senior teams. on 30 march 2013, prunty was at full-forward when st. augustine's college faced scoil mhuire in the all-ireland final. he scored a p...
wikipedia
94520320006c3e9dc58b1d0dbecede87e2fd71b9
conor prunty (born 9 january 1997) is an
conor prunty (born 9 january 1997) is an irish hurler who plays for waterford senior championship club abbeyside and at inter-county level with the waterford senior hurling team. he usually lines out as a full-back.
wikipedia
fdd1e5bd367f6f07ebddd5e3e411bad2d9f4f391
city hill is a park located in canberra,
city hill is a park located in canberra, australia, on one of the points of the parliamentary triangle, a feature of walter burley griffin's plan for the city. the park is surrounded by vernon circle, at the south end of northbourne avenue, but beyond vernon circle it is further surrounded by the concentric london circ...
wikipedia
bd973b14d7c6bbe05c095e32b04b6119b9159a65
the park is centrally located and well-known, but
the park is centrally located and well-known, but it is underutilised as it is away from shops and public areas and is difficult to access because it is surrounded by a major road. the prominent flagpole at the centre of vernon circle is not actually at the highest point of city hill. the highest point of city hill is ...
wikipedia
cb1dcdb529b0a58e48b73ab04a73c8808bb041ca
the hill was planted in 1921. the design,
the hill was planted in 1921. the design, supervised by charles weston, canberra's first superintendent of parks and gardens, was to emphasise the vistas along the six avenues radiating from the hill and reinforce the focus that griffin placed on the hill as forming part of the parliamentary triangle. at the centre of ...
wikipedia
4b0367e3de289f7271305e380a4f737da14ab232
city hill is a park located in canberra,
city hill is a park located in canberra, australia, on one of the points of the parliamentary triangle, a feature of walter burley griffin 's plan for the city. the park is surrounded by vernon circle, at the south end of northbourne avenue, but beyond vernon circle it is further surrounded by the concentric london cir...
wikipedia
d6bb291814b2981c35d4ee05ff0e6efe1a5396c9
chethika gunasiri is a sri lankan environmental scientist
chethika gunasiri is a sri lankan environmental scientist and researcher. she is well known for her sustainability related efforts especially related to colombo wetland management strategy. she has often spoken about the importance of wetlands for a sustainable colombo and she has raised awareness among public about th...
wikipedia
9a858a4ba44a33ed1e6b3dc3790334b03431b494
she was invited as a guest speaker in
she was invited as a guest speaker in january 2023 to deliver wildlife and nature protection society (wnps) lecture under the theme of "living in the only wetland capital in the world" at the bandaranaike memorial international conference hall.
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93a4f8d239d3a5f628c92ba8c5f2d05139d0f6ec
she also served in various other capacities including
she also served in various other capacities including south asia regional representative of the wetland link international -asia steering committee, member of the institute of environmental professionals sri lanka (iepsl), and as an assistant secretary and a council member of the same organisation.
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fea7f2ba8cc3f80ca0f941a661c61ad38060dfc5
she also currently serving as an environmental scientist
she also currently serving as an environmental scientist at the sri lanka land development corporation. she also prominently works to address concerns related to restoration, management and wise use of urban wetlands to comply with sustainable city development. she has attained over a decade of experience in the field ...
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3d09f9be1f1800e43c9a60af4e5f9bb05e170a69
she completed her ph.d. in the field of
she completed her ph.d. in the field of sustainability science at the united nations university in japan. she also pursued her master's degree in science in the field of earth science from the chinese culture university in taiwan. she also completed her mba from the university of sri jayewardenepura and also obtained h...
wikipedia
d6bb291814b2981c35d4ee05ff0e6efe1a5396c9
chethika gunasiri is a sri lankan environmental scientist
chethika gunasiri is a sri lankan environmental scientist and researcher. she is well known for her sustainability related efforts especially related to colombo wetland management strategy. she has often spoken about the importance of wetlands for a sustainable colombo and she has raised awareness among public about th...
wikipedia
4813813982002646b32c071f0b17d425cb2968a9
as of 2007 miller was a lead analyst
as of 2007 miller was a lead analyst at independent security evaluators, a computer protection consultancy. he has publicly demonstrated many security exploits of apple products. in 2008, he won a $10,000 cash prize at the hacker conference pwn2own in vancouver, british columbia, canada for being the first to find a cr...
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727337bfe13ae0f6617bdf53c19cecfc6ea7eecb
miller holds a bachelor's degree in mathematics with
miller holds a bachelor's degree in mathematics with a minor in philosophy from the then called northeast missouri state, and a ph.d. in mathematics from the university of notre dame in 2000. he lives in wildwood, missouri.
wikipedia
4000e1a89e3b5af6e2707a15d65250c64a36aaf1
cauchy's functional equation is the functional equation: a
cauchy's functional equation is the functional equation: a function f that solves this equation is called an additive function. over the rational numbers, it can be shown using elementary algebra that there is a single family of solutions, namely f : x ↦ c x for any rational constant c . over the real numbers, the fami...
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9a118b9d72f229ae44cba10fb0d7235a7ed85a22
it is easy to check that f {\displaystyle
it is easy to check that f {\displaystyle f} is a solution to cauchy's functional equation given a definition of f {\displaystyle f} on the basis elements, f: b → r. {\displaystyle f\colon {\mathcal {b}}\to \mathbb {r}.} moreover, it is clear that every solution is of this form. in particular, the solutions of the func...
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369b0b905185e707ab84cef8e39c722aa56b54ae
as argued above, the restriction of f {\displaystyle
as argued above, the restriction of f {\displaystyle f} to x i q {\displaystyle x_{i}\mathbb {q} } must be a linear map for each x i ∈ b. {\displaystyle x_{i}\in {\mathcal {b}}.} moreover, because x i q ↦ f (x i) q {\displaystyle x_{i}q\mapsto f(x_{i})q} for q ∈ q, {\displaystyle q\in \mathbb {q},} it is clear that f (...
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88a1ec7028e775c9ca07ad13f62cf9e9113bf031
to show that solutions other than the ones
to show that solutions other than the ones defined by f (x) = f (1) x {\displaystyle f(x)=f(1)x} exist, we first note that because every vector space has a basis, there is a basis for r {\displaystyle \mathbb {r} } over the field q, {\displaystyle \mathbb {q},} i.e. a set b ⊂ r {\displaystyle {\mathcal {b}}\subset \mat...
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f79c0ab046422d004ddbe463c6ab8d2f68fb5e7d
the linearity proof given above also applies to
the linearity proof given above also applies to f: α q → r, {\displaystyle f\colon \alpha \mathbb {q} \to \mathbb {r},} where α q {\displaystyle \alpha \mathbb {q} } is a scaled copy of the rationals. this shows that only linear solutions are permitted when the domain of f {\displaystyle f} is restricted to such sets. ...
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76bc2d33426ae48d144cef31f412dae327e64059
thus, the graph of f {\displaystyle f} contains
thus, the graph of f {\displaystyle f} contains l ∩ ((0, 1) × r) {\displaystyle l\cap ((0,1)\times \mathbb {r})}, which is dense in (0, 1) × r {\displaystyle (0,1)\times \mathbb {r} }.
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231443433122efedf4ff5ea88b275bebb2a475ea
if r 1 ≥ 0, r 2 <
if r 1 ≥ 0, r 2 < 0 {\displaystyle r_{1}\geq 0,r_{2}<0}, then since r 1 + r 2 a > 0 {\displaystyle r_{1}+r_{2}a>0}, we have r 1 > 0 {\displaystyle r_{1}>0}. let k {\displaystyle k} be a positive integer large enough such that r 1 k, − r 2 a k ∈ (0, 1) {\displaystyle {\frac {r_{1}}{k}},{\frac {-r_{2}a}{k}}\in (0,1)}. th...
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fd9e1e50d0ca76a56292ef2533f685e3221f5571
if r 1, r 2 ≥ 0 {\displaystyle
if r 1, r 2 ≥ 0 {\displaystyle r_{1},r_{2}\geq 0}, then it is true by additivity. if r 1, r 2 < 0 {\displaystyle r_{1},r_{2}<0}, then r 1 + r 2 a < 0 {\displaystyle r_{1}+r_{2}a<0}, contradiction.
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6c0c0bd4769f03b96432275e265e6fe2c704f7b2
claim: if r 1, r 2 ∈ q
claim: if r 1, r 2 ∈ q {\displaystyle r_{1},r_{2}\in \mathbb {q} }, and r 1 + r 2 a ∈ (0, 1) {\displaystyle r_{1}+r_{2}a\in (0,1)}, then f (r 1 + r 2 a) = r 1 + r 2 f (a) {\displaystyle f(r_{1}+r_{2}a)=r_{1}+r_{2}f(a)}.
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73750be832fd16d13ffea3e3d4d8d5e6a4a871ed
since det a = f (a) − a
since det a = f (a) − a ≠ 0 {\displaystyle \det a=f(a)-a\neq 0}, the transformation is invertible, thus it is bicontinuous. since q 2 {\displaystyle \mathbb {q} ^{2}} is dense in r 2 {\displaystyle \mathbb {r} ^{2}}, so is l {\displaystyle l}. ◻ {\displaystyle \square }
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d20247faff4a14ba775a313add18b37ac1f4ad9e
claim: the lattice defined by l:= { (r
claim: the lattice defined by l:= { (r 1 + r 2 a, r 1 + r 2 f (a)): r 1, r 2 ∈ q } {\displaystyle l:=\{(r_{1}+r_{2}a,r_{1}+r_{2}f(a)):r_{1},r_{2}\in \mathbb {q} \}} is dense in r 2 {\displaystyle \mathbb {r} ^{2}}.
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4d66b8f125543effc443f0bb51452aa29f762afd
since f {\displaystyle f} is not linear, we
since f {\displaystyle f} is not linear, we have f (a) ≠ a {\displaystyle f(a)\neq a} for some a ∈ (0, 1) {\displaystyle a\in (0,1)}.
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e8d46020c8ada2a35a6e0ccff179742902644514
wlog, scale f {\displaystyle f} on the x-axis
wlog, scale f {\displaystyle f} on the x-axis and y-axis, so that f {\displaystyle f} satisfies the cauchy functional equation on {\displaystyle }, and f (1) = 1 {\displaystyle f(1)=1}.it suffices to show that the graph of f {\displaystyle f} is dense in (0, 1) × r {\displaystyle (0,1)\times \mathbb {r} }, which is den...
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8532aae7154b936d64cf0b3fd085e581ea09d659
lemma — let t > 0 {\displaystyle t>0}.
lemma — let t > 0 {\displaystyle t>0}. if f {\displaystyle f} satisfies the cauchy functional equation on the interval {\displaystyle }, but is not linear, then its graph is dense on the strip × r {\displaystyle \times \mathbb {r} }.
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a0e9756d8cfe7f5a93e1be09e7000629cb6cddc2
we prove below that any other solutions must
we prove below that any other solutions must be highly pathological functions. in particular, it is shown that any other solution must have the property that its graph { (x, f (x)) | x ∈ r } {\displaystyle \{(x,f(x))\vert x\in \mathbb {r} \}} is dense in r 2, {\displaystyle \mathbb {r} ^{2},} that is, that any disk in ...
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13f409c1dc88ccd1eac03ee93aca8482ce5edbb8
finally, any q ∈ q {\displaystyle q\in \mathbb
finally, any q ∈ q {\displaystyle q\in \mathbb {q} } has a representation q = m n {\displaystyle q={\frac {m}{n}}} with m ∈ z {\displaystyle m\in \mathbb {z} } and n ∈ n {\displaystyle n\in \mathbb {n} }, so, putting things together,
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2cd99a97d2b3a2f1dd4899e905961881df36750a
let n ∈ n {\displaystyle n\in \mathbb {n}
let n ∈ n {\displaystyle n\in \mathbb {n} }, then f (v) = f (n n − 1 v) = n f (n − 1 v) {\displaystyle f(v)=f(nn^{-1}v)=nf(n^{-1}v)} and hence f (n − 1 v) = n − 1 f (v) {\displaystyle f(n^{-1}v)=n^{-1}f(v)}.
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493099a286ed952de39f57102c51e32d23091925
for any negative integer m ∈ z {\displaystyle
for any negative integer m ∈ z {\displaystyle m\in \mathbb {z} } we know − m ∈ n {\displaystyle -m\in \mathbb {n} }, therefore f (m v) = f ((− m) (− v)) = (− m) f (− v) = (− m) (− f (v)) = m f (v) {\displaystyle f(mv)=f((-m)(-v))=(-m)f(-v)=(-m)(-f(v))=mf(v)}. thus far we have proved
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aef0e54a9ccd7fc68981d859b269f24637b1fa93
via induction, f (m v) = m f
via induction, f (m v) = m f (v) {\displaystyle f(mv)=mf(v)} is proved for any m ∈ n ∪ { 0 } {\displaystyle m\in \mathbb {n} \cup \{0\}}.
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9dca4e250e4e6a9d9dea60b2fa9cf46fae7b257e
first note f (0) = f (0 +
first note f (0) = f (0 + 0) = f (0) + f (0) {\displaystyle f(0)=f(0+0)=f(0)+f(0)}, hence f (0) = 0 {\displaystyle f(0)=0}, and therewith 0 = f (0) = f (v + (− v)) = f (v) + f (− v) {\displaystyle 0=f(0)=f(v+(-v))=f(v)+f(-v)} from which follows f (− v) = − f (v) {\displaystyle f(-v)=-f(v)}.
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