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cut

In graph theory, a cut is a partition of the vertices of a graph into two disjoint subsets. Any cut determines a cut-set, the set of edges that have one endpoint in each subset of the partition. These edges are said to cross the cut. In a connected graph, each cut-set determines a unique cut, and in some cases cuts are identified with their cut-sets rather than with their vertex partitions.
In a flow network, an s–t cut is a cut that requires the source and the sink to be in different subsets, and its cut-set only consists of edges going from the source's side to the sink's side. The capacity of an s–t cut is defined as the sum of the capacity of each edge in the cut-set.

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  1. Dan

    The smallest cut you've done on a dry cutter?

    Sigma v Rubi Tile Cutting Experiment by Dan posted Aug 25, 2015 at 4:32 PM Who can make the Smallest Tile Cut? by Dan posted Aug 25, 2015 at 4:39 PM What have you managed to achieve?
  2. S

    Wetroom tray envelope cut setting out challenge

    As the replies I got to my previous setting out post were so helpful so I thought I'd ask for your setting out advice again if I may. This time it's the floor, and especially around the wetroom tray former. The tiles are 330mm and the tray former is 1350x1050 with the drain at an awkward non...
  3. S

    Struggling to cut porcelain tiles with Sigma 3D2

    Hi all, I've tried cutting my first porcelain floor tile with the sigma cutter - it failed miserably. I've got a bucket full of curved cuts from a single 600x600 porcelanosa VENIS tile. Maybe 2 cuts oout of the 10 I tried worked. Before I go and hire a bridge saw for the weekend, have any of...
  4. Sean Kelly

    English bond & cut tiles.

    I've just this second got off the phone. A customer has bought 33x10 ceramic tiles that he want put on his kitchen walls. No problem I thought to myself, but then he said he wants 'English Bond'. He wants me to cut some of the tiles in half and he will stand behind me and sand the edges. He...
  5. R

    Do you charge extra for having to cut round sinks and WCs?

    I have a customer who is contemplating asking me to tile around their bathroom facilities. At our initial meeting they had said they would prefer them removed but now seem to be changing their mind. The job was passed to me through friends, so I kept my prices down on the assumption there were...
  6. M

    Cut ceramic tiles cracking after adhesive is set

    Hi guys, Been reading the helpful advice here but now need some of my own! I had a tiler in to do my bathroom and long story short he started then disappeared citing family problems. Not much I could do except carry on where he left off and decided to finish myself as had all the tiles and...
  7. O

    Can you polish the cut edge of Porcelain tiles?

    The customer of a plumber who I am working for is adamant she does not want in any shape or form any tile trims for the external corners of the tiles she has chosen(600x600 glazed porcelain) Using such a big tile on the walls and floor on this small bathroom refurb,somewhere along the line there...
  8. L

    HELP! I need to cut a 73mm diameter hole in stone floor tiles

    Hi folks I am at my wits end, so I hope one of you chaps can help. :mad2: My wife and I recently forked out on some really nice, large 1cm-thick stone floor tiles, not knowing how hard they are to cut. After spending all afternoon with my hand drill and a 73mm diamond bit, which has left me...
  9. T

    How to cut 10mm stoneware? Is a cheap wet saw the way to go?

    Hi Guys, I need your help. I just bought my first apartment and I plan to tile my bathroom. I selected the tiles based on how they looked. I found out later that its 10mm stoneware and hard to cut. I plan to buy a cheap wet tile saw and install the tiles on the floor and the wall. I need to...
  10. O

    Cut though wall for patio doors

    I am an experienced DIYer and "finishing off" after a builder! We cut through the solid stone wall to install patio doors with an existing slate floor in situ The builder has laid DPC and put self level down in the threshold voids created. I have cut out damaged slates and levelled the floor...
  11. 2

    How to cut Quartz 600 by 400

    What cutter would I need to cut Quartz 600 by 400 ? :smilewinkgrin:
  12. G

    tiling using a 3 way mitre ( can cut them )

    its 11pm and my head is hurting - probably over thinking this.. when you have a three way mitre on boxing in ( so you end up with a shelf essentially.. ) how do you tile, having cut the trim?..as in, which surface first? I feel it would be the top(shelf)? then place the trim along that edge...
  13. R

    smallest cut

    Whats the smallest cut you have got from you manual rubi or sigma cutter? mine is 10mm after stressing and pulling my hair out with a rubi
  14. P

    Floor tiling - Curve cut

    I am new to this forum and thinking to tile my bath floor on my own.... I have removed the toilet seat so I can put tiles underneath it. Now any recommended way to make holes so I can screw the toilet seat. I have just the manual tile cutter and Jigsaw with standard blade... Now I am...
  15. C

    How to cut fixed porcelain tiles up to door frame?

    I'm not a tiler. Hope that's OK! We had a new kitchen, and the builder laid the porcelain tiles. After he'd finished (and we'd paid him), we saw the line by the living room door wasn't straight. He apologised, and offered to cut it straight with an angle grinder, but he can't get to the edges...
  16. T

    any reason why 60 x 60 tiles cant be envelope cut into wetroom tray?

    Had a tiler come round to give a quote for tiling my bathroom. I have 60x60 porcelain to go on the floor and wanted them envelope cut into the wetroom tray. The guy was very against the whole thing and said I should only really be using mosaic. I've spent quite a few weeks reading these...
  17. J

    Cut mat and overly close wires...

    Hi, we have a bit of a problem, just installed a Climatech system in kitchen through to downstairs bathroom - we think the installation in the kitchen's fine as my boyfriend did it with my step-dad, then had to go to work so left step-dad to go through to bathroom. Unfortunately, he seems to...
  18. P

    Don't cut corners

    Relayed a bathroom floor today after cracks started appearing in the tiles, the customer lost the details of the tiler that done it originally so could not call them back, He had laid hardi on top of floorboards and the cracks were appearing where the hardi boards joined after close inspection...
  19. P

    A challenging cut?

    I'm soon about to tile my kitchen diner floor. I have a couple of questions... Firstly, what sized notched trowel should be used for 600x300 porcelain tiles being laid on a concrete floor? Secondly, the room has one challenging part, and that's a metal post that supports an overhead beam. It...
  20. T

    How not to cut joists

    Bath before removal Bath after removal Might need more than hardy backer board this time.:mad2:
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